Mount Sutil
Galiano Island, British ColumbiaMount Sutil’s Biodiversity
Last updated June 2021
Presented below is a working list of species known to Mount Sutil, Galiano Island, BC: a mount which rises 290 m above the Trincomali Channel. A broad spectrum of habitats range across Mt. Sutil’s topographic profile, including Garry oak woodlands and associated rock outcrops, dry Douglas-fir forests and several wetland communities. Though it is by no means comprehensive, this species list provides a snapshot of the diversity of species that make their homes in these habitats.
The beginning of this list dates to historical reports made by Ryan Batten, Allan Hawryzki, Harvey Janszen, Terry McIntosh (with the help of Curtis Björk and Trevor Goward), Hans Roemer, and, more recently, inventory work conducted by Matt Fairbarns, Keith Erickson and Rene Zich. In addition to these records, the list includes recent reports made by Lena Chiasson, Quentin Cronk, Jenna Falk, Scott Gilmore, Sylvie Hawkes, Judith Holm, Adam Huggins, Pam Janszen, Steve Joya, Olivia Lee, Wayne Maddison, Lauren Magner, Ayla Malcolm, James Miskelly, Kristen Miskelly, Marty Moser, Aimie Pelletier, Diana Percy, John Reynolds, Andrew Simon, Brian Starzomski, Kristian Sigvardsen, Daniel Tucker, and Alexander Wright.
Browse the gallery on the right for photographs featuring some of the breathtaking vistas and the diverse species and habitats to be appreciated on Mt. Sutil. The following list is queryable and can be sorted by scientific name, common name, group, family, conservation status and provenance.
Mount Sutil
Sunny skies, looking northwest toward the Trincomali Channel
Mount Sutil
Herbaceous communities on a steep southwest-facing slope
Mount Sutil
Fog rising on Mount Sutil's steep slopes
Mt. Sutil
View looking northwest. Visible in the Trincomali Channel below: Parker and Julia Island (the latter barely visible) and Phillimore Point
Mt. Sutil
View looking southeast over Salt Spring and Prevost Islands
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Scientific Name | Common name | Group/Habit | Family | Status | Observer(s) |
|---|---|---|---|---|---|
| Pseudacris regilla | northern Pacific treefrog | amphibians | Hylidae | S5 (2016) | A. Simon (2017) |
| Rana aurora | red-legged frog | amphibians | Ranidae | S3 (2016) | K. Erickson (2016); A. Simon (2021) |
| Andrena transnigra | black-banded miner bee | ants, bees, wasps, sawflies | Andrenidae | S5 (2016) | A. Simon (2018) |
| Anthophora sp. | Common Digger Bees | ants, bees, wasps, sawflies | Apidae | A. Simon (2018) | |
| Bombus flavifrons | yellow-fronted bumble bee | ants, bees, wasps, sawflies | Apidae | S5 (2016) | A. Simon (2019) |
| Bombus melanopygus | black-tailed bumble bee | ants, bees, wasps, sawflies | Apidae | S5 (2016) | A. Simon (2021) |
| Bombus sitkensis | Sitka bumble bee | ants, bees, wasps, sawflies | Apidae | S5 (2016) | A. Simon (2021) |
| Bombus vancouverensis vancouverensis | Vancouver Island bumble bee | ants, bees, wasps, sawflies | Apidae | unlisted | A. Simon (2018) |
| Zadontomerus sp. | ants, bees, wasps, sawflies | Apidae | A Simon (2018) | ||
| Camponotus vicinus | western carpenter ant | ants, bees, wasps, sawflies | Formicidae | S5 (2016) | A. Simon (2018) |
| Dialictus sp. | metallic sweat bee | ants, bees, wasps, sawflies | Halictidae | A. Simon (2018) | |
| Halictus confusus | Confusing Furrow Bee | ants, bees, wasps, sawflies | Halictidae | S5 (2016) | A. Simon (2018) |
| Lasioglossum sp. | base-banded furrow bee | ants, bees, wasps, sawflies | Halictidae | A. Simon (2017) | |
| Anthidium manicatum | European wool carder | ants, bees, wasps, sawflies | Megachilidae | exotic | A. Simon (2018) |
| Osmia lignaria | western blue orchard bee | ants, bees, wasps, sawflies | Megachilidae | S5 (2016) | A. Simon (2018) |
| Polistes aurifer | golden paper wasp | ants, bees, wasps, sawflies | Vespidae | S4 (2017) | A. Simon (2017) |
| Vespula pensylvanica | western yellowjacket | ants, bees, wasps, sawflies | Vespidae | S4S5 (2017) | A. Simon (2018) |
| Lemna minor | common duckweed | aquatic plants | Araceae | S5 (2019) | K. Erickson (2016) |
| Lemna turionifera | Turion duckweed | aquatic plants | Araceae | S4S5 (2019) | A. Simon (2017); A. J. Wright (2017) |
| Iris pseudacorus | yellow flag iris | aquatic plants | Iridaceae | exotic | A. Simon (2018) |
| Nuphar polysepala | rocky mountain pond lily | aquatic plants | Nymphaeaceae | S5 (2019) | K. Erickson (2016) |
| Hottonia palustris | water violet | aquatic plants | Primulaceae | exotic | A. Simon (2021); K. Sigvardsen (2021) |
| Loensia sp. | barklice | Psocidae | S. Gilmore (2018) | ||
| Cerobasis guestfalica | barklice | Trogiidae | unlisted | S. Gilmore (2019) | |
| Macropogon testaceipennis | soft-bodied plant beetle | beetles | Artematopodidae | SU (2017) | S. Gilmore (2018) |
| Buprestis aurulenta | golden buprestid | beetles | Buprestidae | S5 (2017) | R. Zich (2016) |
| Dicerca crassicollis | dark jewel beetle | beetles | Buprestidae | SU (2017) | S. Gilmore (2017) |
| Melanthaxia sp. | metallic wood-boring beetle | beetles | Buprestidae | A. Simon (2021) | |
| Cyrtomoptera divisa | soldier beetle | beetles | Cantharidae | S4S5 (2017) | S. Gilmore (2017) |
| Silis lutea | soldier beetle | beetles | Cantharidae | SU (2017) | S. Gilmore (2017) |
| Neoclytus conjunctus | longhorn beetle | beetles | Cerambycidae | S1S3 (2017) | A. Simon (2018) |
| Xestoleptura crassipes | longhorn beetle | beetles | Cerambycidae | S5 (2017) | A. Simon (2018) |
| Altica sp. | metallic flea beetle | beetles | Chrysomelidae | K. Krüg (2017) | |
| Cycloneda polita | western spotless ladybeetle | beetles | Coccinellidae | S5 (2017) | S. Gilmore (2017) |
| Mulsantina picta | painted ladybird | beetles | Coccinellidae | S5 (2017) | S. Gilmore (2017) |
| Clypastraea sp. | minute hooded beetle | beetles | Corylophidae | S. Gilmore (2017) | |
| Cylindrocopturus furnissi | Douglas-fir twig weevil | beetles | Curculionidae | SU (2017) | S. Gilmore (2017) |
| Strophosoma melanogrammum | weevil | beetles | Curculionidae | exotic | S. Gilmore (2017) |
| Agriotes thevenetii | click beetle | beetles | Elateridae | SU (2017) | S. Gilmore (2018) |
| Ampedus atripennis | click beetle | beetles | Elateridae | SU (2017) | S. Gilmore (2018) |
| Ampedus behrensi | click beetle | beetles | Elateridae | S4S5 (2017) | S. Gilmore (2018) |
| Athous imitans | click beetle | beetles | Elateridae | S4S5 (2017) | S. Gilmore (2017) |
| Cardiophorus sp. | click beetle | beetles | Elateridae | S. Gilmore (2017) | |
| Dalopius tristis | click beetle | beetles | Elateridae | SU (2017) | S. Gilmore (2017) |
| Hadromorphus sp. | click beetle | beetles | Elateridae | S. Gilmore (2017) | |
| Limonius californicus | sugarbeet wireworm | beetles | Elateridae | SU (2017) | S. Gilmore (2017) |
| Megapenthes nigriventris | click beetle | beetles | Elateridae | SU (2017) | S. Gilmore (2018) |
| Melanotus longulus oregonensis | click beetle | beetles | Elateridae | SU (2017) | S. Gilmore (2018) |
| Prosternon bombycinum | click beetle | beetles | Elateridae | SU (2017) | S. Gilmore (2018); A. Simon (2018) |
| Pseudanostirus pudicus | click beetle | beetles | Elateridae | SU (2017) | S. Gilmore (2018) |
| Selatosomus suckleyi | click beetle | beetles | Elateridae | SU (2017) | S. Gilmore (2017) |
| Agathidium maculosum | round fungus beetle | beetles | Leiodidae | SU (2017) | S. Gilmore (2017) |
| Listrus sp. | soft-wing flower beetle | beetles | Melyridae | S. Gilmore (2017) | |
| Ptinus fallax | spider beetle | beetles | Ptinidae | SU (2017) | S. Gilmore (2017) |
| Serica sp. | scarab | beetles | Scarabaeidae | A. Simon (2018) | |
| Nalassus convexulus | darkling beetle | beetles | Tenebrionidae | unlisted | S. Gilmore (2017) |
| Buteo jamaicensis | red-tailed hawk | birds | Acciptridae | S5B (2015) | R. Zich (2016) |
| Haliaeetus leucocephalus | bald eagle | birds | Acciptridae | S5B,S5N (2015) | K. Erickson (2016); R. Zich (2016); A. Simon (2019) |
| Anas platyrhynchos | mallard | birds | Anatidae | S5B, S5N (2015) | K. Erickson (2016) |
| Chordeiles minor | common nighthawk | birds | Caprimulgidae | S4B (2015) | A. Simon (2017) |
| Cathartes aura | turkey vulture | birds | Cathartidae | S4 (2015) | R. Zich (2016); A. Simon (2017); L. Magner (2017) |
| Corvus corax | common raven | birds | Corvidae | S5B (2015) | R. Zich (2016) |
| Junco hyemalis | Oregon dark-eyed junco | birds | Emberizidae | S5B (2015) | R. Zich (2016); A. Simon (2020) |
| Pipilo maculatus | spotted towhee | birds | Emberizidae | S5 (2015) | R. Zich (2016) |
| Zonotrichia leucophrys | white-crowned sparrow | birds | Emberizidae | S5B (2011) | R. Zich (2016); A. Simon (2020) |
| Loxia curvirostra | red crossbill | birds | Fringillidae | S5 (2015) | E. Andrusiak & A. Simon (2017) |
| Spinus pinus | pine siskin | birds | Fringillidae | S5B (2015) | A. Simon (2019) |
| Tachycineta thalassina | violet-green swallow | birds | Hirundinidae | S4S5B (2015) | R. Zich (2016); A. Simon (2019) |
| Poecile rufescens | chestnut-backed chickadee | birds | Paridae | S5 (2015) | A. Simon (2019) |
| Dendroica coronata | yellow-rumped warbler | birds | Parulidae | S5B (2015) | R. Zich (2016) |
| Dendroica townsendi | Townsend’s warbler | birds | Parulidae | S5B (2015) | R. Zich (2016) |
| Setophaga coronata | yellow-rumped warbler | birds | Parulidae | S5B (2015) | A. Simon (2018) |
| Setophaga coronata auduboni | Audubon's warbler | birds | Parulidae | S5B (2015) | A. Simon (2019) |
| Vermivora celata | orange-crowned warbler | birds | Parulidae | S5B (2015) | R. Zich (2016) |
| Wilsonia pusilla | Wilson’s warbler | birds | Parulidae | S5B (2015) | R. Zich (2016) |
| Spizella passerina | chipping sparrow | birds | Passerellidae | S5B (2015) | A. Simon (2020) |
| Dendragapus fuliginosus | sooty grouse | birds | Phasianidae | S4 (2015) | A. Simon (2017) |
| Dryocopus pileatus | pileated woodpecker | birds | Picidae | S5 (2015) | R. Zich (2016) |
| Sphyrapicus ruber | red-breasted sapsucker | birds | Picidae | S5B (2015) | A. Simon (2018) |
| Sitta canadensis | red-breasted nuthatch | birds | Sittidae | S5 (2015) | A. Simon (2020) |
| Calypte anna | Anna’s hummingbird | birds | Trochilidae | S4S5B (2015) | K. Erickson (2016) |
| Troglodytes aedon | house wren | birds | Troglodytidae | S5B (2015) | S. Gilmore (2017) |
| Thryomanes bewickii | Bewick’s wren | birds | Troglotydiae | S4 (2015) | R. Zich (2016) |
| Troglodytes pacificus | Pacific wren | birds | Troglotydiae | S5B (2015) | R. Zich (2016) |
| Catharus guttatus | hermit thrush | birds | Turdidae | S5B (2015) | A. Simon (2019) |
| Catharus ustulatus | Swainson’s thrush | birds | Turdidae | S5B (2015) | R. Zich (2016) |
| Ixoreus naevius | varied thrush | birds | Turdidae | S5B (2015) | R. Zich (2016) |
| Myadestes townsendi | Townsend's solitaire | birds | Turdidae | S5B (2015) | J. Headley (2019); A. Simon (2019) |
| Turdus migratorius | American robin | birds | Turdidae | S5B (2015) | R. Zich (2016); A. Simon (2019) |
| Contopus cooperi | olive-sided flycatcher | birds | Tyrannidae | S3S4B (2015) | R. Zich (2016); A. Simon (2020) |
| Empidonax difficilis | Pacific-slope flycatcher | birds | Tyrannidae | S5B (2015) | R. Zich (2016) |
| Empidonax traillii | willow flycatcher | birds | Tyrannidae | S5B (2015) | R. Zich (2016) |
| Vireo cassinii | Cassin’s vireo | birds | Vireonidae | S5B (2015) | R. Zich (2016) |
| Vireo huttoni | Hutton’s vireo | birds | Vireonidae | S4 (2015) | R. Zich (2016) |
| Adela trigrapha | three-striped longhorn | butterflies & moths | Adelidae | SNR (2017) | S. Gilmore (2017) |
| Pyrausta semirubralis | crambid moth | butterflies & moths | Crambidae | SNR (2017) | S. & S. Gilmore (2018) |
| Scoparia biplagialis | double-striped scoparia moth | butterflies & moths | Crambidae | SNR (2017) | S. Gilmore (2017) |
| Leptarctia californiae | California tiger moth | butterflies & moths | Erebidae | SNR | S. Gilmore (2017) |
| Lophocampa argentata | silver-spotted tiger moth | butterflies & moths | Erebidae | SNR | S. Gilmore (2017) |
| Tyria jacobaeae | cinnabar moth | butterflies & moths | Erebidae | exotic | A. Simon (2018) |
| Melanolophia imitata | western carpet moth | butterflies & moths | Geometridae | S4S5 (2017) | S. Gilmore (2017) |
| Mesoleuca gratulata | western white-ribboned carpet moth | butterflies & moths | Geometridae | S4S5 (2017) | R. Zich (2016) |
| Venusia sp. | geometrid | butterflies & moths | Geometridae | S. Gilmore (2017) | |
| Erynnis propertius | Propertius duskywing | butterflies & moths | Hesperiidae | S2 (2020) | S. Gilmore (2017); A. Simon (2018) |
| Callophrys gryneus plicataria | cedar hairstreak | butterflies & moths | Lycaenidae | S4 (2013) | R. Zich (2016); A.J. Wright (2017) |
| Celastrina echo | western spring azure | butterflies & moths | Lycaenidae | S5 (2020) | R. Zich (2016) |
| Papilio eurymedon | pale swallowtail | butterflies & moths | Papilionidae | S5 (2020) | R. Zich (2016) |
| Papilio rutulus | western tiger swallowtail | butterflies & moths | Papilionidae | S5 (2020) | R. Zich (2016) |
| Anthocharis sara flora | Sara's orangetip, flora subspecies | butterflies & moths | Pieridae | S4 (2013) | S. Gilmore (2017) |
| Nostoc commune | star jelly | cyanobacteria | Nostocaceae | unlisted | A. Simon (2017) |
| Aeshna multicolor | blue-eyed darner | damselflies and dragonflies | Aeshnidae | unlisted | R. Zich (2016) |
| Enallagma sp. | bluet | damselflies and dragonflies | Coenagrionidae | S. Gilmore (2018) | |
| Athyrium filix-femina var. cyclosorum | lady fern | ferns & allies | Athyriaceae | S5 (2019) | K. Erickson (2016) |
| Blechnum spicant | deer fern | ferns & allies | Blechnaceae | S5 (2019) | K. Erickson (2016) |
| Pteridium aquilinum var. pubescens | bracken fern | ferns & allies | Dennstaedtiaceae | S5 (2000) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Cystopteris fragilis | fragile fern | ferns & allies | Dryopteridaceae | S5 (2019) | M. Fairbarns (2016); A. Simon (2020) |
| Polystichum munitum | western sword fern | ferns & allies | Dryopteridaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Equisetum arvense | common horsetail | ferns & allies | Equisetaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016) |
| Polypodium glycyrrhiza | licorice fern | ferns & allies | Polypodiaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Pentagramma triangularis ssp. triangularis | goldenback fern | ferns & allies | Pteridaceae | S5 (2019) | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Selaginella wallacei | Wallace's spikemoss | ferns & allies | Selaginellaceae | S5 (2019) | H. Roemer (2004); H. Janszen (2017); K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); A. J. Wright (2017); B. Starzomski (2019) |
| Bibio sp. | love bug | flies | Bibionidae | A. Simon (2021) | |
| Bombylius major | greater bee fly | flies | Bombyliidae | S5 (2016) | A. Simon (2019) |
| Agulla assimilis | snake fly | flies | Raphidiidae | SNR | A. Simon & S. Gilmore (2018) |
| Toxomerus occidentalis | western calligrapher | flies | Syrphidae | unlisted | A. Simon (2018) |
| Phoroctenia vittata | crane fly | flies | Tipulidae | unlisted | S. Gilmore (2017) |
| Agaricus augustus | fungi | Agaricaceae | S5 (2021) | A. Simon (2017) | |
| Amanita pantherina | fungi | Agaricaceae | S5 (2021) | P. Janszen (2017) | |
| Coprinus comatus | shaggy mane | fungi | Agaricaceae | S4S5 (2021) | A. Simon (2017) |
| Caloscypha fulgens | spring orange peel fungus | fungi | Caloscyphaceae | S3S4 (2021) | T. Ehlers (2016); K. Krüg (2018) |
| Clitocybe sp. | funnel fungi | fungi | Clitocybaceae | A. Simon (2017) | |
| Nolanea sp. | fungi | Entolomataceae | A. Simon (2017) | ||
| Fomitopsis pinicola | red-belted conk | fungi | Fomitopsidaceae | SU (2021) | R. Zich (2016) |
| Laricifomes officinalis | agarikon | fungi | Fomitopsidaceae | S2S4 (2021) | C. Diakow (2021); A. Simon (2021) |
| Astraeus sp. | barometer earthstar | fungi | Geastraceae | A. Simon (2017) | |
| Geoglossum umbratile | plain earthtongue | fungi | Geoglossaceae | S2S4 (2021) | T. Ehlers (2016) |
| Laccaria amethysteo-occidentalis | fungi | Hydnangiaceae | S4S5 (2021) | A. Simon (2017) | |
| Laccaria laccata | deceiver | fungi | Hydnangiaceae | S4S5 (2021) | A. Simon (2019) |
| Galerina sp. | moss bell | fungi | Hymenogastraceae | D. Cochrane (2019) | |
| Lycoperdon sp. | fungi | Lycoperdaceae | A. Simon (2019) | ||
| Xeromphalina cornui | fungi | Mycenaceae | unlisted | A. Simon (2017) | |
| Trametes versicolor | turkey tail | fungi | Polyporaceae | S3S5 (2021) | R. Zich (2016); K. Krüg (2016) |
| Coprinellus sp. | inky cap | fungi | Psathyrellaceae | A. Simon (2017) | |
| Scutellinia sp. | eyelash cups | fungi | Pyronemataceae | A. Simon (2018) | |
| Stropharia ambigua | questionable stropharia | fungi | Strophariaceae | S4 (2021) | T. Ehlers (2016) |
| Latrodectus hesperus | western black widow | fungi | Theridiidae | S5 (2018) | S. Gilmore (2018) |
| Carex aquatilis var. dives | Sitka sedge | grasses, sedges and rushes | Cyperaceae | S5 (2015) | K. Erickson (2016) |
| Carex inops ssp. inops | long-stolon sedge | grasses, sedges and rushes | Cyperaceae | S4S5 (2020) | H. Roemer (2004); A. Simon (2017); A.J. Wright (2017) |
| Carex leptopoda | Dewey’s sedge | grasses, sedges and rushes | Cyperaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Carex obnupta | slough sedge | grasses, sedges and rushes | Cyperaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016) |
| Carex pellita | woolly sedge | grasses, sedges and rushes | Cyperaceae | S5 (2019) | A. Simon (2017) |
| Juncus effusus | European rush | grasses, sedges and rushes | Juncaceae | K. Erickson (2016); M. Fairbarns (2016) | |
| Luzula comosa var. laxa | Pacific wood-rush | grasses, sedges and rushes | Juncaceae | S5 (2020) | A.J. Wright (2017); A. Simon (2021) |
| Luzula subsessilis | short-stalked woodrush | grasses, sedges and rushes | Juncaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Achnatherum lemmonii ssp. lemmonii | Lemmon’s needlegrass | grasses, sedges and rushes | Poaceae | S5 (2019) | H. Roemer (2004); M. Fairbarns (2016); A. Simon (2017) |
| Agrostis sp. | grasses, sedges and rushes | Poaceae | K. Erickson (2016) | ||
| Aira caryophyllea | silver hairgrass | grasses, sedges and rushes | Poaceae | exotic | H. Roemer (2004); M. Fairbarns (2016); A. Simon (2017); A.J. Wright (2017) |
| Aira praecox | early hair grass | grasses, sedges and rushes | Poaceae | exotic | H. Roemer (2004); M. Fairbarns (2016); A. Simon (2017); A.J. Wright (2017) |
| Anthoxanthum odoratum | sweet vernal grass | grasses, sedges and rushes | Poaceae | exotic | M. Fairbarns (2016); A. Simon (2017); B. Starzomski (2019) |
| Bromus carinatus | California brome | grasses, sedges and rushes | Poaceae | S5 (2020) | H. Roemer (2004); M. Fairbarns (2016) |
| Bromus hordeaceus | soft brome | grasses, sedges and rushes | Poaceae | exotic | H. Roemer (2004); M. Fairbarns (2016); A. Simon (2017) |
| Bromus rigidus | rip-gut Brome | grasses, sedges and rushes | Poaceae | exotic | M. Fairbarns (2016); A.J. Wright (2017); A. Simon (2019) |
| Bromus sterilis | barren brome | grasses, sedges and rushes | Poaceae | exotic | H. Roemer (2004); M. Fairbarns (2016); A. Simon (2017) |
| Bromus tectorum | cheat grass | grasses, sedges and rushes | Poaceae | exotic | H. Roemer (2004); M. Fairbarns (2016); A.J. Wright (2017); A. Simon (2017); A. Pelletier (2019) |
| Bromus vulgaris | Columbia brome | grasses, sedges and rushes | Poaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016) |
| Cynosurus echinatus | bristly dogtail grass | grasses, sedges and rushes | Poaceae | exotic | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Dactylis glomerata | orchard grass | grasses, sedges and rushes | Poaceae | exotic | K. Erickson (2016); M. Fairbarns (2016) |
| Danthonia californica | California oat grass | grasses, sedges and rushes | Poaceae | S5 (2019) | H. Roemer (2004); M. Fairbarns (2016); A. Simon (2017) |
| Elymus glaucus | blue wild rye | grasses, sedges and rushes | Poaceae | S5 (2020) | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); A. Huggins (2016); A. Simon (2017) |
| Festuca occidentalis | western fescue | grasses, sedges and rushes | Poaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Festuca roemeri | Roemer's fescue | grasses, sedges and rushes | Poaceae | S4S5 (2019) | H. Roemer (2004); M. Fairbarns (2016); A. Huggins (2016) |
| Festuca rubra | red fescue | grasses, sedges and rushes | Poaceae | exotic | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Holcus lanatus | common velvet grass | grasses, sedges and rushes | Poaceae | exotic | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Koeleria macrantha | June grass | grasses, sedges and rushes | Poaceae | S5 (2019) | A. Simon (2017) |
| Melica harfordii | Harford’s oniongrass | grasses, sedges and rushes | Poaceae | S4 (2019) | H. Roemer (2004); A. Simon (2017) |
| Melica subulata | Alaska oniongrass | grasses, sedges and rushes | Poaceae | S5 (2019) | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); A.J. Wright (2017); A. Simon (2017) |
| Poa annua | annual bluegrass | grasses, sedges and rushes | Poaceae | exotic | M. Fairbarns (2016) |
| Poa compressa | flattened meadowgrass | grasses, sedges and rushes | Poaceae | exotic | A. Simon (2017) |
| Poa pratensis | grasses, sedges and rushes | Poaceae | exotic | H. Roemer (2004); A. Simon (2017) | |
| Poa secunda ssp. secunda | Sandberg’s bluegrass | grasses, sedges and rushes | Poaceae | S5 (2020) | M. Fairbarns (2016) |
| Trisetum cernuum | nodding trisetum | grasses, sedges and rushes | Poaceae | S5 (2019) | M. Fairbarns (2016) |
| Vulpia bromoides | brome fescue | grasses, sedges and rushes | Poaceae | exotic | H. Roemer (2004); M. Fairbarns (2016); A. Simon (2017) |
| Melanoplus sanguinipes | migratory grasshopper | grasshoppers, locusts and crickets | Acrididae | S5 (2015) | A. Simon (2018) |
| Trimerotropis fontana | fontana grasshopper | grasshoppers, locusts and crickets | Acrididae | S5 (2015) | A. Simon (2018) |
| Allium acuminatum | Hooker's onion | herbs | Alliaceae | S5 (2019) | H. Roemer (2004); M. Fairbarns (2016); R. Zich (2016); A. Simon (2017); A. Huggins (2017); A.J. Wright (2017) |
| Allium amplectens | slimleaf onion | herbs | Alliaceae | S3 (2019) | H. Janszen (1976); A. Hawryzki (1996) |
| Allium cernuum | nodding onion | herbs | Alliaceae | S5 (2019) | H. Roemer (2004); M. Fairbarns (2016); A. Huggins (2016); A. Simon (2017) |
| Anthriscus caucalis | bur chervil | herbs | Apiaceae | exotic | A. Simon (2017); J. Reynolds (2019) |
| Cicuta douglasii | Douglas’ water-hemlock | herbs | Apiaceae | S5 (2019) | K. Erickson (2016) |
| Daucus pusillus | American wild carrot | herbs | Apiaceae | S5 (2019) | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); A.J. Wright (2017) |
| Lomatium utriculatum | spring-gold | herbs | Apiaceae | S5 (2019) | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); R. Zich (2016); A. Simon (2017); L. Magner (2017); B. Starzomski (2018); A. Pelletier (2019); J. Reynolds (2019) |
| Osmorhiza berteroi | mountain sweet cicely | herbs | Apiaceae | S5 (2019) | H. Roemer (2004); K. Erickson (2016); A. Huggins (2016); M. Fairbarns (2016); A. Simon (2017) |
| Perideridia montana | common yampeh | herbs | Apiaceae | S5 (2019) | M. Fairbarns (2016) |
| Sanicula crassicaulis | Pacific sanicle | herbs | Apiaceae | S5 (2019) | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); L. Magner (2018); B. Starzomski (2019); |
| Sanicula graveolens | Sierra sanicle | herbs | Apiaceae | S4S5 (2019) | K. Erickson (2016); M. Fairbarns (2016) |
| Torilis japonica | upright hedge-parsley | herbs | Apiaceae | exotic | M. Fairbarns (2016); A. Simon (2017) |
| Yabea microcarpa | California hedge-parsley | herbs | Apiaceae | S4 (2019) | H. Roemer (2004); H. Janszen (2017); A. Wright (2017); A. Simon (2021) |
| Lysichiton americanus | skunk cabbage | herbs | Araceae | S5 (2019) | K. Erickson (2016) |
| Camassia leichtlinii ssp. suksdorfii | great camas | herbs | Asparagaceae | S4 (2019) | H. Roemer (2004); M. Fairbarns (2016); A. Simon (2017); A.J. Wright (2017) |
| Camassia quamash ssp. quamash | small camas | herbs | Asparagaceae | S4 (2020) | A. Simon (2018) |
| Hyacinthoides sp. | bluebells | herbs | Asparagaceae | A. Simon (2018) | |
| Achillea millefolium | common yarrow | herbs | Asteraceae | exotic | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); B. Starzomski (2019) |
| Agoseris grandiflora var. leptophylla | large-flowered agoseris | herbs | Asteraceae | S5 (2015) | H. Roemer (2004); M. Fairbarns (2016); A.J. Wright (2017); A. Pelletier (2019); A. Simon (2021) |
| Anaphalis margaritacea | pearly everlasting | herbs | Asteraceae | S5 (2019) | M. Fairbarns (2016) |
| Anisocarpus madioides | woodland madia | herbs | Asteraceae | S5 (2019) | A. Simon (2017) |
| Artemisia campestris ssp. pacifica | northern wormwood | herbs | Asteraceae | S5 (2019) | A. Simon (2021) |
| Bellis perennis | English daisy | herbs | Asteraceae | exotic | K. Erickson (2016); M. Fairbarns (2016) |
| Cirsium arvense | Canada thistle | herbs | Asteraceae | exotic | K. Erickson (2016) |
| Cirsium brevistylum | short-styled thistle | herbs | Asteraceae | S5 (2019) | A.J. Wright (2017); A. Simon (2017) |
| Cirsium vulgare | bull thistle | herbs | Asteraceae | exotic | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); M. Moser (2017) |
| Crocidium multicaule | gold star | herbs | Asteraceae | S4 (2019) | R. Batter (2014); A. Simon (2017); Adam Hugins (2021) |
| Echinops sphaerocephalus | glandular globe-thistle | herbs | Asteraceae | exotic | A. Simon (2018) |
| Eriophyllum lanatum var. leucophyllum | common woolly sunflower | herbs | Asteraceae | S5 (2019) | H. Roemer (2004); M. Fairbarns (2016); A. Simon (2017) |
| Filago pyramidata | broad-leaved cudweed | herbs | Asteraceae | unlisted | A. J. Wright (2017); A. Simon (2017) |
| Grindelia hirsutula var. hirsutula | hairy gumweed | herbs | Asteraceae | S3S4 (2021) | M. Fairbarns (2016); A. Simon (2019) |
| Hieracium albiflorum | white hawkweed | herbs | Asteraceae | S5 (2019) | K. Erickson (2016) |
| Hypochaeris glabra | smooth cat's ear | herbs | Asteraceae | exotic | H. Roemer (2004); M. Fairbarns (2016); A. Simon (2017); A.J. Wright (2017); A. Huggins (2020) |
| Hypochaeris radicata | hairy cat's ear | herbs | Asteraceae | exotic | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); B. Starzomski (2019) |
| Jacobaea vulgaris | tansy ragwort | herbs | Asteraceae | exotic | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Leucanthemum vulgare | ox-eye daisy | herbs | Asteraceae | exotic | K. Erickson (2016); R. Zich (2016); A. Simon (2017) |
| Madia gracilis | slender tarweed | herbs | Asteraceae | S5 (2019) | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Mycelis muralis | wall-lettuce | herbs | Asteraceae | exotic | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); B. Starzomski (2019) |
| Pseudognaphalium stramineum | cotton-batting cudweed | herbs | Asteraceae | exotic | M. Fairbarns (2016) |
| Senecio vulgaris | common groundsel | herbs | Asteraceae | exotic | A. Simon (2018) |
| Sonchus asper | prickly sowthistle | herbs | Asteraceae | exotic | A. Simon (2020) |
| Sonchus oleraceus | common sow thistle | herbs | Asteraceae | exotic | K. Erickson (2016); M. Fairbarns (2016) |
| Taraxacum lacistophyllum | dandelion | herbs | Asteraceae | exotic | A. Simon (2017) |
| Taraxacum officinale | common dandelion | herbs | Asteraceae | exotic | K. Erickson (2016); M. Fairbarns (2016) |
| Achlys triphylla | vanilla leaf | herbs | Berberidaceae | S5 (2019) | K. Erickson (2016) |
| Myosotis arvensis | field forget-me-not | herbs | Boraginaceae | exotic | M. Fairbarns (2016); A. Simon (2017) |
| Myosotis discolor | changing forget-me-not | herbs | Boraginaceae | exotic | H. Roemer (2004); A. Simon (2017); A. Pelletier (2019); B. Starzomski (2019) |
| Myosotis scorpioides | European forget-me-not | herbs | Boraginaceae | exotic | K. Sigvardsen (2021) |
| Nemophila parviflora | small-flowered nemophila | herbs | Boraginaceae | S5 (2000) | M. Fairbarns (2016); A. Simon (2017); A.J. Wright (2017) |
| Nemophila pedunculata | Meadow Baby-blue-eyes | herbs | Boraginaceae | S4? (2019) | A. Simon (2019) |
| Phacelia linearis | linearleaf phacelia | herbs | Boraginaceae | S5 (2019) | Q. Cronk & D. Percy (2017); J.&K. Miskelly (2017); A. Simon (2017) |
| Plagiobothrys tenellus | slender popcornflower | herbs | Boraginaceae | S1? (2019); 1-T (2011) | H. Janszen (1980) |
| Athysanus pusillus | common sandweed | herbs | Brassicaceae | S5 (2019) | M. Fairbarns (2016); A. Simon (2021) |
| Barbarea orthoceras | American wintercress | herbs | Brassicaceae | S5 (2019) | H. Roemer (2004); M. Fairbarns (2016) |
| Boechera sp. | rockcresses | herbs | Brassicaceae | A. Simon (2021) | |
| Cardamine flexuosa | wavy bittercress | herbs | Brassicaceae | exotic | A. Simon (2021) |
| Cardamine hirsuta | hairy bittercress | herbs | Brassicaceae | exotic | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); L. Magner (2018) |
| Cardamine oligosperma | little Western bittercress | herbs | Brassicaceae | S5 (2015) | M. Fairbarns (2016) |
| Idahoa scapigera | scalepod | herbs | Brassicaceae | S4 (2019) | R. Batten (2013); M. Fairbarns (2016); A. Simon (2021) |
| Lepidium virginicum ssp. menziesii | Menzies’ pepperweed | herbs | Brassicaceae | S5 (2019) | M. Fairbarns (2016); A. Simon (2021) |
| Thysanocarpus curvipes | sand fringepod | herbs | Brassicaceae | S3S4 (2019) | R. Batten (2013); A. Simon (2017) |
| Turritis glabra | tower mustard | herbs | Brassicaceae | S5 (2019) | M. Fairbarns (2016) |
| Campanula scouleri | Scouler's harebell | herbs | Campanulaceae | S4S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A.J. Wright (2017) |
| Linnaea borealis ssp. borealis | twinflower | herbs | Caprifoliaceae | SU (2021) | K. Erickson (2016) |
| Plectritis brachystemon | Pink Plectritis | herbs | Caprifoliaceae | S5 (2006) | A. Simon (2021) |
| Plectritis congesta | seablush | herbs | Caprifoliaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); A.J. Wright (2017); B. Starzosmki (2018) |
| Cerastium arvense ssp. strictum | field mouse-ear chickweed | herbs | Caryophyllaceae | S5 (2020) | H. Roemer (2004); M. Fairbarns (2016); K. Erickson (2016); R. Zich (2016); A. Huggins (2016); A. Simon (2017); L. Magner (2018); B. Starzomski (2019); A. Pelletier (2019); J. Reynolds (2019) |
| Moehringia macrophylla | big-leaved sandwort | herbs | Caryophyllaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); J. Reynolds (2019) |
| Sagina procumbens | bird's-eye pearlwort | herbs | Caryophyllaceae | exotic | A. Simon (2018) |
| Silene coronaria | rose campion | herbs | Caryophyllaceae | exotic | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); B. Starzomski (2019) |
| Stellaria crispa | crisp starwort | herbs | Caryophyllaceae | S5 (2019) | A. Simon (2017) |
| Stellaria media | common chickweed | herbs | Caryophyllaceae | exotic | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); L. Magner (2017); S. Hawkes (2020) |
| Sedum lanceolatum var. nesioticum | lance-leaved stonecrop | herbs | Crassulaceae | S3S4 (2001) | M. Fairbarns (2016); A. Simon (2017); J. Holm (2017) |
| Sedum spathulifolium | broad-leaved stonecrop | herbs | Crassulaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); A.J. Wright (2017); B. Starzomski (2018); A. Pelletier (2019) |
| Euphorbia myrsinites | donkey tail | herbs | Euphorbiaceae | exotic | A. Pelletier (2019); J. Reynolds (2019) |
| Acmispon parviflorus | short-flower deervetch | herbs | Fabaceae | S4S5 (2019) | H. Roemer (2004); M. Fairbarns (2016); A. Simon (2017); A. Pelletier (2019); S. Hawkes (2020); A. Irvine-Broque (2021) |
| Lathyrus nevadensis var. pilosellus | purple pea vine | herbs | Fabaceae | S5 (2000) | K. Erickson (2016) |
| Lathyrus sylvestris | narrow-leaved everlasting peavine | herbs | Fabaceae | exotic | M. Fairbarns (2016) |
| Lupinus bicolor | miniature lupin | herbs | Fabaceae | S5 (2019) | H. Roemer (2004); F. Erhard (2013); M. Fairbarns (2016); A. Simon (2017); A. Pelletier (2018); B. Starzomski (2018); S. Hawkes (2020) |
| Lupinus polycarpus | small-flower lupine | herbs | Fabaceae | S5 (2019) | R. Zich (2016); A. Simon (2017); J. & K. Miskelly (2017); B. Starzomski (2018) |
| Trifolium dubium | little hop clover | herbs | Fabaceae | exotic | M. Fairbarns (2016); A. Pelletier (2019) |
| Trifolium microcephalum | small-headed clover | herbs | Fabaceae | S5 (2019) | H. Roemer (2004); M. Fairbarns (2016); A. Simon (2017); A.J. Wright (2017); B. Starzomski (2018); S. Hawkes (2020) |
| Trifolium microdon | thimble clover | herbs | Fabaceae | S5 (2019) | A. Simon (2017); A. J. Wright (2017) |
| Trifolium oliganthum | few-flowered clover | herbs | Fabaceae | S5 (2019) | H. Roemer (2004); M. Fairbarns (2016); A. Simon (2017); B. Starzomski (2019) |
| Trifolium willdenovii | tomcat clover | herbs | Fabaceae | S5 (2019) | H. Roemer (2004); M. Fairbarns (2016); A. Simon (2017); B. Starzomski (2018); S. Hawkes (2020) |
| Vicia americana | American vetch | herbs | Fabaceae | S5 (2019) | H. Roemer (2004) |
| Vicia hirsuta | hairy vetch | herbs | Fabaceae | exotic | H. Roemer (2004); M. Fairbarns (2016) |
| Vicia sativa | common vetch | herbs | Fabaceae | exotic | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); A. Pelletier (2019) |
| Erodium cicutarium | redstem filaree | herbs | Geraniaceae | exotic | M. Fairbarns (2016); A. Simon (2017); B. Starzomski (2019); S. Hawkes (2020) |
| Geranium dissectum | cut-leaved crane's-bill | herbs | Geraniaceae | exotic | A. Malcolm (2017) |
| Geranium molle | dove's-foot crane's-bill | herbs | Geraniaceae | exotic | H. Roemer (2004); A. Simon (2018); B. Starzomski (2018) |
| Clinopodium douglasii | yerba buena | herbs | Lamiaceae | S5 (2019) | K. Erickson (2016); A. Simon (2017); L. Chiasson (2018) |
| Lamium purpureum | red deadnettle | herbs | Lamiaceae | exotic | A. Simon (2017) |
| Stachys chamissonis var. cooleyae | Cooley’s hedge-nettle | herbs | Lamiaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Erythronium oregonum | white fawn lily | herbs | Liliaceae | S4 (2019) | A. Simon (2018) |
| Fritillaria affinis | chocolate lily | herbs | Liliaceae | S5 (2019) | K. Erickson (2016); A. Simon (2018); L. Magner (2018) |
| Toxicoscordion venenosum var. venenosum | meadow deathcamas | herbs | Melanthiaceae | S5 (2000) | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); R. Zich (2016); A. Simon (2017); L. Magner (2018); B. Starzomski (2019); J. Reynolds (2019) |
| Calandrinia ciliata var. menziesii | desert rock purslane | herbs | Montiaceae | S3S4 (2019) | M. Fairbarns (2016) |
| Claytonia exigua ssp. exigua | serpentine springbeauty | herbs | Montiaceae | S4 (2020) | A. Simon (2017) |
| Claytonia exigua ssp. glauca | pallid serpentine spring beauty | herbs | Montiaceae | S4 (2020) | R. Batten (2013); A. Simon (2017) |
| Claytonia perfoliata ssp. perfoliata | miner’s lettuce | herbs | Montiaceae | S5 (2020) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); B. Starzomski (2019); A. Pelletier (2019) |
| Claytonia rubra ssp. depressa | redstem springbeauty | herbs | Montiaceae | S5 (2020) | M. Fairbarns (2016); A. Simon (2017); L. Magner (2017) |
| Claytonia sibirica | Siberian miner’s lettuce | herbs | Montiaceae | S5 (2019) | K. Erickson (2016) |
| Montia fontana | blinks | herbs | Montiaceae | S5 (2019) | M. Fairbarns (2016); A. Simon (2017) |
| Montia linearis | narrow-leaved Montia | herbs | Montiaceae | S5 (2019) | M. Fairbarns (2016) |
| Montia parvifolia | small-leaved blinks | herbs | Montiaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Clarkia amoena ssp. caurina | farewell-to-spring | herbs | Onagraceae | S3S4 (2012) | H. Roemer (2004); M. Fairbarns (2016); A. Simon (2017) |
| Epilobium brachycarpum | panicled willowherb | herbs | Onagraceae | S5 (2019) | H. Roemer (2004) |
| Epilobium foliosum | foliose willowherb | herbs | Onagraceae | S5 (2019) | A. Simon (2017) |
| Epilobium minutum | little willowherb | herbs | Onagraceae | S5 (2019) | M. Fairbarns (2016); A. Simon (2017); A.J. Wright (2017) |
| Calypso bulbosa var. occidentalis | fairy slipper | herbs | Orchidaceae | S5 (2020) | M. Fairbarns (2016); K. Erickson (2016); R. Zich (2016) |
| Corallorhiza maculata var. occidentalis | western spotted coralroot | herbs | Orchidaceae | S5 (2020) | K. Erickson (2016); M. Fairbarns (2016); A.J. Wright (2017); A. Simon (2017) |
| Goodyera oblongifolia | western rattlesnake plantain | herbs | Orchidaceae | S5 (2019) | K. Erickson (2016); A. Simon (2017); A.J. Wright (2017); B. Starzomski (2018) |
| Neottia cordata | heart-leaved twayblade | herbs | Orchidaceae | S5 (2019) | K. Erickson (2016) |
| Platanthera transversa | royal rein orchid | herbs | Orchidaceae | S3S4 (2019) | A. Simon (2017) |
| Aphyllon purpureum | one-flowered cancer-root | herbs | Orobanchaceae | S5 (2020) | M. Fairbarns (2016); A. Simon (2017); L. Magner (2018); A. Pelletier (2019) |
| Castilleja attenuata | valley tassels | herbs | Orobanchaceae | S4 (2019) | M. Fairbarns (2016); J. & K. Miskelly (2017); A. Simon (2021) |
| Castilleja hispida var. hispida | harsh paintbrush | herbs | Orobanchaceae | S5 (2019) | M. Fairbarns (2016); A. Simon (2021) |
| Meconella oregana | Oregon meconella | herbs | Papaveraceae | S1S2 (2019); 1-E (2006) | H. Janszen (1980); R. Batten (2014) |
| Erythranthe alsinoides | chickweed monkeyflower | herbs | Phrymaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); B. Starzomski (2018) |
| Erythranthe microphylla | small-leaved monkeyflower | herbs | Phrymaceae | S5 (2019) | A. Simon (2017) |
| Erythranthe nasuta | seep monkeyflower | herbs | Phrymaceae | S4S5 (2019) | M. Fairbarns (2016); R. Zich (2016); A. Simon (2017) |
| Collinsia grandiflora | giant blue-eyed Mary | herbs | Plantaginaceae | S4 (2015) | A. Simon (2017); B. Starzomski (2019) |
| Collinsia parviflora | maiden blue-eyed Mary | herbs | Plantaginaceae | S5 (2019) | H. Roemer (2004); A. Simon (2017); B. Starzomski (2019); J. Reynolds (2019) |
| Digitalis purpurea | foxglove | herbs | Plantaginaceae | exotic | K. Erickson (2016); R. Zich (2016); A. Simon (2017) |
| Plantago lanceolata | English plantain | herbs | Plantaginaceae | exotic | M. Fairbarns (2016); A. Simon (2017) |
| Veronica arvensis | corn speedwell | herbs | Plantaginaceae | exotic | H. Roemer (2004); M. Fairbarns (2016); A. Simon (2017) |
| Veronica serpyllifolia | thyme-leaved speedwell | herbs | Plantaginaceae | K. Erickson (2016) | |
| Collomia heterophylla | variableleaf collomia | herbs | Polemoniaceae | S5 (2019) | A.J. Wright (2017); A. Simon (2017) |
| Leptosiphon minimus | bicoloured linanthus | herbs | Polemoniaceae | S4 (2019) | M. Fairbarns (2016) |
| Microsteris gracilis | pink twink | herbs | Polemoniaceae | S5 (2019) | H. Roemer (2004) |
| Polygonum sp. | knotweed | herbs | Polygonaceae | K. Erickson (2016) | |
| Rumex acetosella | sheep’s sorel | herbs | Polygonaceae | exotic | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); B. Starzomski (2019); A. Pelletier (2019) |
| Rumex crispus | curled dock | herbs | Polygonaceae | exotic | K. Erickson (2016) |
| Lysimachia latifolia | broad-leaved starflower | herbs | Primulaceae | S4S5 (2015) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Primula hendersonii | shooting star | herbs | Primulaceae | S4 (2019) | K. Erickson (2016) |
| Delphinium menziesii ssp. menziesii | Puget Sound larkspur | herbs | Ranunculaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Ranunculus occidentalis var. occidentalis | western buttercup | herbs | Ranunculaceae | S5 (2000) | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); B. Starzosmki (2019); A. Pelletier (2019); A. Huggins (2021) |
| Ranunculus repens | buttercup | herbs | Ranunculaceae | exotic | K. Erickson (2016) |
| Ranunculus uncinatus | little buttercup | herbs | Ranunculaceae | S5 (2019) | M. Fairbarns (2016) |
| Aphanes arvensis | field parsley-piert | herbs | Rosaceae | exotic | M. Fairbarns (2016) |
| Fragaria vesca ssp. bracteata | woodland strawberry | herbs | Rosaceae | S5 (2020) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Galium aparine | cleavers | herbs | Rubiaceae | S5 (2019) | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); B. Starzomski (2019); A. Pelletier (2019) |
| Galium triflorum | sweet-scented bedstraw | herbs | Rubiaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016) |
| Heuchera micrantha var. diversifolia | crevice alumroot | herbs | Saxifragaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Huggins (2016); A. Simon (2017); B. Starzomski (2019) |
| Lithophragma parviflorum | smallflower woodland star | herbs | Saxifragaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); J. Holm (2017); B. Starzomski (2018); J. Reynolds (2019); A. Huggins (2020) |
| Micranthes integrifolia | grassland saxifrage | herbs | Saxifragaceae | S5 (2019) | M. Fairbarns (2016); A. Simon (2017); L. Magner (2017) |
| Micranthes rufidula | rusty-haired saxifrage | herbs | Saxifragaceae | S5 (2019) | A. Simon (2021) |
| Saxifraga cespitosa | tufted saxifrage | herbs | Saxifragaceae | S5 (2019) | M. Fairbarns (2016) |
| Verbascum thapsus | great mullein | herbs | Scrophulariaceae | exotic | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); K. Toomer (2018) |
| Brodiaea coronaria | crown brodiaea | herbs | Themidaceae | S5 (2019) | H. Roemer (2004); M. Fairbarns (2016); R. Zich (2016); A. Simon (2017); J. Falk (2019); S. Hawkes (2020) |
| Triteleia hyacinthina | white brodiaea | herbs | Themidaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Urtica dioica | stinging nettle | herbs | Urticaceae | exotic | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Arthonia polygramma | lichens | Arthoniaceae | SU (2020) | C. Björk (2010) | |
| Calicium salicinum | lichens | Caliciaceae | S3S5 (2020) | C. Björk (2010) | |
| Cyphelium inquinans | cupped soot lichen | lichens | Caliciaceae | S5 (2020) | A. Simon (2017) |
| Cladonia coniocraea | mama littlehorn pixie | lichens | Cladoniaceae | S5 (2018) | A. Simon (2017) |
| Cladonia cornuta | bighorn pixie | lichens | Cladoniaceae | S5 (2018) | A. Simon (2017) |
| Cladonia furcata | forking pixie | lichens | Cladoniaceae | S5 (2018) | A. Simon (2017) |
| Cladonia pyxidata | pebbled pixie-cup | lichens | Cladoniaceae | S5 (2018) | A. Simon (2019) |
| Cladonia scabriuscula | card-carrying pixie | lichens | Cladoniaceae | S5 (2018) | A. Simon (2017) |
| Cladonia squamosa | dragon pixie | lichens | Cladoniaceae | S5 (2018) | A. Simon (2017) |
| Cladonia transcendens | graduated pixie | lichens | Cladoniaceae | S4 (2010) | A. Simon (2017) |
| Cladonia uncialis | lichens | Cladoniaceae | SNR | A. Simon (2017) | |
| Cladonia verruculosa | nitty-gritty pixie | lichens | Cladoniaceae | S5 (2019) | A. Simon (2017) |
| Collema auriforme group | eared tarpaper | lichens | Collemataceae | A. Simon (2021) | |
| Collema cristatum var. marginale | fingered jelly | lichens | Collemataceae | S3S4 (2019) | A. Simon (2021) |
| Collema furfuraceum | effervescent tarpaper | lichens | Collemataceae | S5 (2019) | A. Simon (2017) |
| Collema fuscovirens | cellulitic tarpaper | lichens | Collemataceae | S5 (2019) | A. Simon (2021) |
| Collema subflaccidum | wilted tarpaper | lichens | Collemataceae | S5 (2019) | C. Björk (2010); A. Simon (2016) |
| Collema tenax | tarred tarpaper | lichens | Collemataceae | SU (2019) | A. Simon (2021) |
| Leptogium pseudofurfuraceum | concentric vinyl | lichens | Collemataceae | S4 (2019) | A. Simon (2017) |
| Scytinium cf turgidum | lichens | Collemataceae | C. Björk (2010) | ||
| Scytinium gelatinosum | rose-petalled vinyl | lichens | Collemataceae | S5 (2018) | A. Simon (2017) |
| Scytinium lichenoides | tattered vinyl | lichens | Collemataceae | S5 (2018) | C. Björk (2010); A. Simon (2017) |
| Scytinium palmatum | antlered vinyl | lichens | Collemataceae | S5 (2018) | C. Björk (2010); A. Simon (2017) |
| Scytinium platynum | batwing vinyl | lichens | Collemataceae | S3S4 (2018); 1-E (2017) | R. Batten (2013); A. Simon (2021) |
| Scytinium plicatile | starfish vinyl | lichens | Collemataceae | S4 (2018) | R. Batten (2013); A. Simon (2021) |
| Scytinium subaridum | rancher's vinyl | lichens | Collemataceae | S4 (2019) | A. Simon (2021) |
| Lichenomphalia umbellifera | heath navel | lichens | Hygrophoraceae | S5 (2021) | A. Simon (2017) |
| Ochrolechia farinacea | lichens | incertae sedis | S5 (2020) | C. Björk (2010); A. Simon (2021) | |
| Ochrolechia sp nov. | — | lichens | incertae sedis | C. Björk (2010) | |
| Alyxoria varia | lichens | Lecanographaceae | S5 (2020) | A. Simon (2018) | |
| Lecanora hagenii | lichens | Lecanoraceae | unlisted | C. Björk (2010) | |
| Lecanora hybocarpa | lichens | Lecanoraceae | S5 (2020) | C. Björk (2010) | |
| Lecanora pacifica | lichens | Lecanoraceae | S5 (2020) | C. Björk (2010) | |
| Lecidea albofuscescens | lichens | Lecideaceae | S5 (2020) | C. Björk (2010) | |
| Lobaria pulmonaria | lungwort | lichens | Lobariaceae | S5 (2018) | C. Björk (2010); A. Simon (2017); B. Starzomski (2019) |
| Lobaria scrobiculata | textured lung | lichens | Lobariaceae | S5 (2019) | A. Simon (2016) |
| Sticta fuliginosa s.lat. | peppered moon | lichens | Lobariaceae | C. Björk (2010); Simon (2017) | |
| Leptochidium albociliatum | whiskered codger | lichens | Massalongiaceae | S4S5 (2019) | A. Simon (2017) |
| Massalongia carnosa | moss liver | lichens | Massalongiaceae | S5 (2019) | A. Simon (2017) |
| Nephroma laevigatum | mustard paw | lichens | Nephromataceae | S4S5 (2019) | A. Simon (2017) |
| Nephroma parile | powdered paw | lichens | Nephromataceae | S5 (2018) | C. Björk (2010) |
| Nephroma resupinatum | pimpled paw | lichens | Nephromataceae | S4 (2018) | A. Simon (2017) |
| Fuscopannaria praetermissa | moss shingle | lichens | Pannariaceae | S5 (2019) | A. Simon (2021) |
| Evernia prunastri | valley oakmoss | lichens | Parmeliaceae | S5 (2018) | A. Simon (2017) |
| Hypogymnia apinnata | beaded bone | lichens | Parmeliaceae | S5 (2018) | A. Simon (2017) |
| Hypogymnia enteromorpha | inflatable bone | lichens | Parmeliaceae | S5 (2018) | A. Simon (2017) |
| Hypogymnia imshaugii | forking bone | lichens | Parmeliaceae | S5 (2018) | A. Simon (2017) |
| Hypogymnia occidentalis | budding bone | lichens | Parmeliaceae | S5 (2018) | A. Simon (2017) |
| Hypogymnia physodes | monk’s hood | lichens | Parmeliaceae | S5 (2018) | A. Simon (2017) |
| Hypogymnia tubulosa | dog bone | lichens | Parmeliaceae | S5 (2018) | A. Simon (2017) |
| Letharia vulpina | valley wolf | lichens | Parmeliaceae | S5 (2018) | A. Simon (2018) |
| Montanelia panniformis | shingled camouflage | lichens | Parmeliaceae | S5 (2018) | A. Simon (2021) |
| Parmelia hygrophila | granulating crottle | lichens | Parmeliaceae | S5 (2018) | A. Simon (2018) |
| Parmelia saxatilis | pebbled crottle | lichens | Parmeliaceae | S5 (2018) | A. Simon (2017) |
| Parmelia sulcata | hammered crottle | lichens | Parmeliaceae | S5 (2018) | C. Björk (2010); A. Simon (2017) |
| Parmeliopsis ambigua | green starburst | lichens | Parmeliaceae | S5 (2018) | A. Simon (2019) |
| Parmotrema arnoldii | king ruffle | lichens | Parmeliaceae | S5 (2019) | A. Simon (2017) |
| Platismatia glauca | ragbag | lichens | Parmeliaceae | S5 (2018) | A. Simon (2017) |
| Platismatia herrei | tattered rag | lichens | Parmeliaceae | S5 (2018) | A. Simon (2017) |
| Tuckermannopsis chlorophylla | silver-lined wrinkle | lichens | Parmeliaceae | S5 (2018) | C. Björk (2010); A. Simon (2017) |
| Usnea cavernosa | pitted beard | lichens | Parmeliaceae | S3S4 (2018) | A. Simon (2017) |
| Usnea dasopoga | herringbone beard | lichens | Parmeliaceae | S5 (2019) | C. Björk (2010); A. Simon (2017) |
| Usnea glabrata | lustrous beard | lichens | Parmeliaceae | S4S5 (2019) | A. Simon (2017) |
| Usnea intermedia | exploding beard | lichens | Parmeliaceae | S1S2 (2010) | C. Björk (2010); A. Simon (2021) |
| Usnea subfloridana | nit beard | lichens | Parmeliaceae | S4 (2018) | C. Björk (2010) |
| Usnea substerilis | embossed beard | lichens | Parmeliaceae | S5 (2018) | C. Björk (2010) |
| Peltigera britannica | freckle pelt | lichens | Peltigeraceae | S5 (2018) | A. Simon (2017) |
| Peltigera canina | felt pelt | lichens | Peltigeraceae | S5 (2018) | A. Simon (2017) |
| Peltigera collina | tree pelt | lichens | Peltigeraceae | S5 (2018) | T. McIntosh (2010); A. Simon (2017) |
| Peltigera leucophlebia | ruffled pelt | lichens | Peltigeraceae | S5 (2018) | A. Simon (2017) |
| Peltigera membranacea | diamond pelt | lichens | Peltigeraceae | S5 (2018) | A. Simon (2016) |
| Peltigera neopolydactyla | undulating pelt | lichens | Peltigeraceae | S5 (2019) | A. Simon (2017) |
| Peltigera pacifica | fringed pelt | lichens | Peltigeraceae | S4 (2019) | A. Simon (2017) |
| Peltigera rufescens | black-bellied pelt | lichens | Peltigeraceae | S5 (2018) | A. Simon (2017) |
| Phlyctis argena | whitewash lichen | lichens | Phlyctidaceae | S5 (2020) | A. Simon (2017) |
| Physcia adscendens | hooded rosette lichen | lichens | Physciaceae | S5 (2018) | A. Simon (2017) |
| Physconia enteroxantha | gilded frost | lichens | Physciaceae | S5 (2018) | A. Simon (2017) |
| Rinodina hallii | lichens | Physciaceae | S5 (2020) | C. Björk (2010) | |
| Psora globifera | lichens | Psoraceae | S4 (2020) | A. Simon (2021) | |
| Bacidia rubella | lichens | Ramalinaceae | unlisted | C. Björk (2010) | |
| Cliostomum griffithii | multicolored dot lichen | lichens | Ramalinaceae | unlisted | C. Björk (2010) |
| Ramalina cf obtusata | hooded ribbon | lichens | Ramalinaceae | C. Björk (2010) | |
| Ramalina farinacea | hyphenated ribbon | lichens | Ramalinaceae | S5 (2018) | C. Björk (2010); B. Starzosmki (2019) |
| Waynea californica | lichens | Ramalinaceae | unlisted | C. Björk (2010) | |
| Opegrapha varia | lichens | Roccellaceae | unlisted | C. Björk (2010) | |
| Sphaerophorus tuckermanii | fragmenting coral | lichens | Sphaerophoraceae | S4S5 (2018) | A. Simon (2017) |
| Sphaerophorus venerabilis | ancient coral | lichens | Sphaerophoraceae | S4 (2019) | A. Simon (2017) |
| Lepraria subalbicans | lesser cottonthread | lichens | Stereocaulaceae | S4 (2020) | A. Simon (2017) |
| Stereocaulon intermedium | Pacific brain foam | lichens | Stereocaulaceae | S5 (2019) | A. Simon (2018) |
| Calogaya decipiens | lichens | Teloschistaceae | S4 (2020) | A. Simon (2017) | |
| Caloplaca cf ferruginea | lichens | Teloschistaceae | C. Björk (2010) | ||
| Caloplaca cf xanthostigmoidea | lichens | Teloschistaceae | C. Björk (2010) | ||
| Flavoplaca citrina | mealy firedot | lichens | Teloschistaceae | SU (2020) | A. Simon (2017) |
| Xanthoria parietina | maritime sunburst | lichens | Teloschistaceae | exotic | A. Simon (2017) |
| Mycoblastus affinis | white heart | lichens | Tephromelataceae | S5 (2020) | A. Simon (2017) |
| Diploschistes scruposus | crater lichen | lichens | Thelotremataceae | unlisted | A. Simon (2017) |
| Placynthiella oligotropha | lichens | Trapeliaceae | S5 (2020) | A. Simon (2021) | |
| Dermatocarpon leptophyllodes | jigsaw stippleback | lichens | Umbilicariaceae | S4 (2018) | A. Simon (2018) |
| Umbilicaria polyphylla | petalled rocktripe | lichens | Umbilicariaceae | S5 (2019) | C. Björk (2010) |
| Dermatocarpon miniatum | blushing stippleback | lichens | Verrucariaceae | S5 (2019) | A. Simon (2021) |
| Dermatocarpon reticulatum | sandpaper stippleback | lichens | Verrucariaceae | S4S5 (2010) | A. Simon (2017) |
| Normandina pulchella | elf ear | lichens | Verrucariaceae | S4 (2020) | C. Björk (2010) |
| Castor canadensis | beaver | mammals | Castoridae | S5 (2015) | K. Erickson (2016) |
| Odocoileus hemionus columbianus | Columbian black-tailed deer | mammals | Cervidae | S5 (2015) | A. Simon (2018); B. Starzomski (2019) |
| Tamiasciurus hudsonicus | American red squirrel | mammals | Sciuridae | S5 (2015) | A. Simon (2017) |
| Anthoceros fusiformis | mosses, liverworts & hornworts | Anthocerotaceae | S3S4 (2020) | A. Simon (2021) | |
| Dichodontium pellucidum | transparent fork-moss | mosses, liverworts & hornworts | Aongstroemiaceae | S5 (2015) | A. Simon (2019) |
| Aulacomnium androgynum | lover’s moss | mosses, liverworts & hornworts | Aulacomniaceae | S5 (2015) | O. Lee (2017) |
| Anacolia menziesii | mosses, liverworts & hornworts | Bartramiaceae | S4S5 (2015) | T. McIntosh (2010); A. Simon (2017) | |
| Philonotis capillaris | mosses, liverworts & hornworts | Bartramiaceae | S4 (2015) | A. Simon (2019) | |
| Philonotis fontana var. fontana | fountain apple-moss | mosses, liverworts & hornworts | Bartramiaceae | S4S5 (2011) | A. Simon (2017) |
| Brachytheciastrum velutinum | velvet feather-moss | mosses, liverworts & hornworts | Brachytheciaceae | S4S5 (2021) | A. Simon (2019) |
| Brachythecium albicans | mosses, liverworts & hornworts | Brachytheciaceae | S4S5 (2015) | T. McIntosh (2010) | |
| Brachythecium sp. | mosses, liverworts & hornworts | Brachytheciaceae | T. McIntosh (2010) | ||
| Homalothecium aeneum | mosses, liverworts & hornworts | Brachytheciaceae | S4S5 (2011) | T. McIntosh (2010); A. Simon (2017) | |
| Homalothecium aureum | mosses, liverworts & hornworts | Brachytheciaceae | S4? (2015) | T. McIntosh (2010); A. Simon (2017); D. Tucker (2021) | |
| Homalothecium fulgescens | mosses, liverworts & hornworts | Brachytheciaceae | S4S5 (2011) | T. McIntosh (2010); A. Simon (2017) | |
| Homalothecium megaptilum | mosses, liverworts & hornworts | Brachytheciaceae | S4? (2015) | H. Roemer (2004); T. McIntosh (2010); O. Lee (2017); A. Simon (2017) | |
| Homalothecium nuttallii | mosses, liverworts & hornworts | Brachytheciaceae | S4S5 (2015) | T. McIntosh (2010); O. Lee (2017); A. Simon (2017) | |
| Isothecium cristatum | mosses, liverworts & hornworts | Brachytheciaceae | S4? (2011) | T. McIntosh (2010); O. Lee (2017); A. Simon (2017) | |
| Isothecium stoloniferum | mosses, liverworts & hornworts | Brachytheciaceae | S4S5 (2015) | T. McIntosh (2010); A. Malcolm (2017); A. Simon (2017) | |
| Kindbergia oregana | Oregon beaked moss | mosses, liverworts & hornworts | Brachytheciaceae | S5 (2015) | T. McIntosh (2010); K. Erickson (2016); O. Lee (2017); A. Simon (2017) |
| Kindbergia praelonga | mosses, liverworts & hornworts | Brachytheciaceae | S5 (2015) | T. McIntosh (2010); K. Erickson (2016) | |
| Scleropodium obtusifolium | mosses, liverworts & hornworts | Brachytheciaceae | S4S5 (2015) | S. Joya (2017); A. Simon (2017) | |
| Scleropodium touretii | mosses, liverworts & hornworts | Brachytheciaceae | S4 (2015) | T. McIntosh (2010); O. Lee (2017) | |
| Bryum argenteum | mosses, liverworts & hornworts | Bryaceae | S4S5 (2015) | T. McIntosh (2010); A. Simon (2021) | |
| Imbribryum miniatum | mosses, liverworts & hornworts | Bryaceae | S4S5 (2015) | T. McIntosh (2010); A. Simon (2017) | |
| Imbribryum torenii | mosses, liverworts & hornworts | Bryaceae | SU (2021) | A. Simon (2017) | |
| Ptychostomum pseudotriquetrum | long-leaved thread moss | mosses, liverworts & hornworts | Bryaceae | S5 (2015) | O. Lee (2017); A. Simon (2017) |
| Rosulabryum canariense | mosses, liverworts & hornworts | Bryaceae | S3S4 (2015) | O. Lee (2017); A. Simon (2017) | |
| Rosulabryum capillare | mosses, liverworts & hornworts | Bryaceae | S4S5 (2015) | A. Simon (2017) | |
| Cephaloziella divaricata var. divaricata | spreading threadwort | mosses, liverworts & hornworts | Cephaloziellaceae | S4 (2021) | A. Simon (2021) |
| Cephaloziella sp. | mosses, liverworts & hornworts | Cephaloziellaceae | T. McIntosh (2010) | ||
| Dicranoweisia cirrata | common pincushion | mosses, liverworts & hornworts | Dicranaceae | S4S5 (2015) | O. Lee (2017); A. Simon (2017) |
| Dicranum fuscescens var. fuscescens | dusky fork moss | mosses, liverworts & hornworts | Dicranaceae | S5 (2011) | A. Simon (2017) |
| Dicranum howellii | mosses, liverworts & hornworts | Dicranaceae | S4S5 (2011) | A. Simon (2017) | |
| Dicranum scoparium | broom moss | mosses, liverworts & hornworts | Dicranaceae | S5 (2015) | H. Roemer (2004); T. McIntosh (2010); O. Lee (2017); A. Simon (2017) |
| Dicranum tauricum | fragile fork moss | mosses, liverworts & hornworts | Dicranaceae | S5 (2015) | A. Simon (2017) |
| Ceratodon purpureus | fire moss | mosses, liverworts & hornworts | Ditrichaceae | S5 (2015) | T. McIntosh (2010); R. Batten (2013); A. Simon (2017) |
| Pleuridium acuminatum | mosses, liverworts & hornworts | Ditrichaceae | SU (2015) | A. Simon (2021) | |
| Encalypta sp. | mosses, liverworts & hornworts | Encalyptaceae | T. McIntosh (2010) | ||
| Fissidens bryoides | mosses, liverworts & hornworts | Fissidentaceae | S4S5 (2011) | T. McIntosh (2010) | |
| Entosthodon muhlenbergii | mosses, liverworts & hornworts | Funariaceae | S3? (2011) | T. McIntosh (2010); R. Batten (2013); A. Simon (2021) | |
| Entosthodon sp. | mosses, liverworts & hornworts | Funariaceae | T. McIntosh (2010) | ||
| Funaria hygrometrica | bonfire moss | mosses, liverworts & hornworts | Funariaceae | S4S5 (2015) | A. Simon (2018) |
| Bucklandiella heterosticha | mosses, liverworts & hornworts | Grimmiaceae | S4S5 (2015) | T. McIntosh (2010); O. Lee (2017); A. Simon (2017) | |
| Bucklandiella macounii | mosses, liverworts & hornworts | Grimmiaceae | S3S4 (2015) | T. McIntosh (2010) | |
| Grimmia ramondii | spreading-leaved grimmia | mosses, liverworts & hornworts | Grimmiaceae | S4S5 (2011) | A. Simon (2021); D. Tucker (2021) |
| Grimmia trichophylla | mosses, liverworts & hornworts | Grimmiaceae | S4S5 (2015) | T. McIntosh (2010); O. Lee (2017); A. Simon (2017) | |
| Niphotrichum elongatum | long fringe-moss | mosses, liverworts & hornworts | Grimmiaceae | S4S5 (2015) | T. McIntosh (2010); K. Erickson (2016); O. Lee (2017); A. Simon (2017) |
| Racomitrium lanuginosum | woolly fringe-moss | mosses, liverworts & hornworts | Grimmiaceae | S4S5 (2015) | A. Simon (2018) |
| Hedwigia stellata | mosses, liverworts & hornworts | Hedwigiacea | S3S4 (2015) | T. McIntosh (2010); O. Lee (2017); A. Simon (2017); D. Tucker (2021) | |
| Pseudobraunia californica | mosses, liverworts & hornworts | Hedwigiaceae | S3S4 (2015) | A. Simon (2017) | |
| Hylocomiadelphus triquetrus | electrified cat’s-tail moss | mosses, liverworts & hornworts | Hylocomiaceae | S5 (2015) | T. McIntosh (2010); K. Erickson (2016); O. Lee (2017); A.J. Wright (2017); A. Simon (2017) |
| Hylocomium splendens | glittering wood-moss | mosses, liverworts & hornworts | Hylocomiaceae | S5 (2015) | T. McIntosh (2010); K. Erickson (2016); A.J. Wright (2017) |
| Rhytidiadelphus loreus | lanky moss | mosses, liverworts & hornworts | Hylocomiaceae | S5 (2015) | K. Erickson (2016); A. Simon (2017) |
| Hymenoloma crispulum | mountain pincushion | mosses, liverworts & hornworts | Hymenolomataceae | S4S5 (2015) | A. Simon (2021) |
| Buckiella undulata | waved silk-moss | mosses, liverworts & hornworts | Hypnaceae | S4 (2015) | A. Simon (2017) |
| Hypnum circinale | mosses, liverworts & hornworts | Hypnaceae | S5 (2015) | A. Simon (2017) | |
| Claopodium whippleanum | mosses, liverworts & hornworts | Leskeaceae | S3S4 (2011) | A. Simon (2018) | |
| Alsia californica | California alsia moss | mosses, liverworts & hornworts | Leucodontaceae | S3 (2015) | D. Tucker (2021); A. Simon (2021) |
| Antitrichia californica | mosses, liverworts & hornworts | Leucodontaceae | S4 (2015) | T. McIntosh (2010); A. Simon (2017) | |
| Antitrichia curtipendula | pendulous wing-moss | mosses, liverworts & hornworts | Leucodontaceae | S5 (2015) | T. McIntosh (2010); O. Lee (2017); A. Simon (2017) |
| Dendroalsia abietina | mosses, liverworts & hornworts | Leucodontaceae | S3S4 (2015) | T. McIntosh (2010); O. Lee (2017); A. Simon (2016); D. Tucker (2021) | |
| Nogopterium gracile | mosses, liverworts & hornworts | Leucodontaceae | S2S4 (2021) | S. Joya (2017); O. Lee (2017); A. Simon (2017) | |
| Lophocolea bidentata | bifid crestwort | mosses, liverworts & hornworts | Lophocoleaceae | SU (2021) | A. Simon (2018) |
| Leucolepis acanthoneuron | Menzies’ tree moss | mosses, liverworts & hornworts | Mniaceae | S5? (2015) | T. McIntosh (2010); K. Erickson (2016) |
| Mnium spinulosum | red-mouthed leafy moss | mosses, liverworts & hornworts | Mniaceae | S5 (2015) | A. Simon (2018) |
| Plagiomnium insigne | badge moss | mosses, liverworts & hornworts | Mniaceae | S4S5 (2015) | K. Erickson (2016); A. Simon (2017) |
| Plagiomnium venustum | magnificent moss | mosses, liverworts & hornworts | Mniaceae | S4S5 (2015) | A. Simon (2017) |
| Rhizomnium glabrescens | fan moss | mosses, liverworts & hornworts | Mniaceae | S4S5 (2015) | K. Erickson (2016); A. Simon (2017) |
| Metaneckera menziesii | mosses, liverworts & hornworts | Neckeraceae | S4S5 (2015) | T. McIntosh (2010); O. Lee (2017); A. Simon (2021) | |
| Porotrichum bigelovii | mosses, liverworts & hornworts | Neckeraceae | S4S5 (2015) | A. Simon (2018) | |
| Amphidium californicum | mosses, liverworts & hornworts | Orthotrichaceae | S4 (2015) | A. Simon (2017) | |
| Lewinskya rupestris | Rock Bristle-moss | mosses, liverworts & hornworts | Orthotrichaceae | S4 (2015) | S. Joya (2017); O. Lee (2017); A. Simon (2017) |
| Pulvigera lyellii | Lyell’s bristle-moss | mosses, liverworts & hornworts | Orthotrichaceae | S4S5 (2015) | T. McIntosh (2010); A. Simon (2017); B. Starzomski (2019) |
| Zygodon viridissimus | green yoke-moss | mosses, liverworts & hornworts | Orthotrichaceae | S4? (2015) | T. McIntosh (2010); A. Simon (2021) |
| Plagiothecium laetum | bright silk-moss | mosses, liverworts & hornworts | Plagiotheciaceae | S4S5 (2015) | A. Simon (2021) |
| Plagiothecium undulatum | waved silk-moss | mosses, liverworts & hornworts | Plagiotheciaceae | S4 (2015) | A. Simon (2017) |
| Atrichum selwynii | mosses, liverworts & hornworts | Polytrichaceae | S5? (2015) | A. Simon (2017) | |
| Polytrichum juniperinum | juniper polytrichum moss | mosses, liverworts & hornworts | Polytrichaceae | S5 (2015) | H. Roemer (2004); T. McIntosh (2010); K. Erickson (2016); O. Lee (2017); A. Simon (2017) |
| Polytrichum piliferum | bristly haircap moss | mosses, liverworts & hornworts | Polytrichaceae | S5 (2015) | T. McIntosh (2010); O. Lee (2017); A. Simon (2017) |
| Porella navicularis | tree ruffle liverwort | mosses, liverworts & hornworts | Porellaceae | S5 (2021) | A. Simon (2017) |
| Didymodon eckeliae | mosses, liverworts & hornworts | Pottiaceae | S4 (2015) | T. McIntosh (2010) | |
| Didymodon norrisii | mosses, liverworts & hornworts | Pottiaceae | S1S3 (2015) | T. McIntosh (2010); A. Simon (2017) | |
| Didymodon vinealis | soft-tufted beard moss | mosses, liverworts & hornworts | Pottiaceae | S5 (2015) | T. McIntosh (2010); O. Lee (2017) |
| Syntrichia laevipila | twisted oak moss | mosses, liverworts & hornworts | Pottiaceae | S3 (2015); 1-SC (2005) | A. Simon (2021) |
| Syntrichia princeps | brown screw-moss | mosses, liverworts & hornworts | Pottiaceae | S4S5 (2015) | T. McIntosh (2010); O. Lee (2017); A. Simon (2017) |
| Syntrichia ruralis | star moss | mosses, liverworts & hornworts | Pottiaceae | S5 (2015) | T. McIntosh (2010); A. Simon (2021) |
| Syntrichia ruralis ssp. ruraliformis | sand-hill screw-moss | mosses, liverworts & hornworts | Pottiaceae | S5 (2015) | A. Simon (2019) |
| Timmiella crassinervis | mosses, liverworts & hornworts | Pottiaceae | S3S4 (2015) | T. McIntosh (2010); A. Simon (2017) | |
| Tortella humilis | small twisted moss | mosses, liverworts & hornworts | Pottiaceae | S1 (2015) | A. Simon (2021) |
| Tortella sp. | mosses, liverworts & hornworts | Pottiaceae | T. McIntosh (2010); A. Simon (2017) | ||
| Tortula muralis | mosses, liverworts & hornworts | Pottiaceae | S4? (2015) | T. McIntosh (2010) | |
| Weissia controversa | green-tufted stubble moss | mosses, liverworts & hornworts | Pottiaceae | S4 (2015) | T. McIntosh (2010); A. Simon (2017) |
| Mannia gracilis | thin starwort | mosses, liverworts & hornworts | Rebouliaceae | S4 (2021) | A. Simon (2021) |
| Riccia beyrichiana | purple crystalwort | mosses, liverworts & hornworts | Ricciaceae | S2S3 (2021) | A. Simon (2021) |
| Riccia sp. | mosses, liverworts & hornworts | Ricciaceae | T. McIntosh (2010) | ||
| Ricciocarpos natans | purple-fringed riccia | mosses, liverworts & hornworts | Ricciaceae | S3 (2021) | A. Simon & A.J. Wright (2017) |
| Scapania bolanderi | yellow-ladle liverwort | mosses, liverworts & hornworts | Scapaniaceae | S5 (2015) | A. Simon (2017) |
| Hygrohypnella ochracea | mosses, liverworts & hornworts | Scorpidiaceae | S4S5 (2015) | A. Simon (2019) | |
| Sphaerocarpos texanus | Texas balloonwort | mosses, liverworts & hornworts | Sphaerocarpaceae | S2 (2015) | R. Batten (2013) |
| Stereodon subimponens | mosses, liverworts & hornworts | Stereodontaceae | S4S5 (2015) | T. McIntosh (2010); A. Simon (2018) | |
| Targionia hypophylla | orobus-seed liverwort | mosses, liverworts & hornworts | Targioniaceae | S2 (2021) | R. Batten (2018) |
| Bryolawtonia vancouveriensis | mosses, liverworts & hornworts | Thamnobryaceae | S4? (2015) | A. Simon (2018) | |
| Claopodium bolanderi | mosses, liverworts & hornworts | Thuidiaceae | S4S5 (2015) | A. Simon (2017) | |
| Claopodium crispifolium | mosses, liverworts & hornworts | Thuidiaceae | S4S5 (2015) | T. McIntosh (2010); A. Simon (2017) | |
| Thamnophis sirtalis | common gartersnake | reptiles | Colubridae | S5 (2018) | A. Simon (2019) |
| Sambucus racemosa var. arborescens | coastal red elderberry | shrubs | Adoxaceae | S5 (2000) | K. Erickson (2016); A. Simon (2018) |
| Ilex aquifolium | holly | shrubs | Aquifoliaceae | exotic | K. Erickson (2016); M. Fairbarns (2016) |
| Berberis aquifolium | Oregon-grape | shrubs | Berberidaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Berberis nervosa | dull Oregon-grape | shrubs | Berberidaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Lonicera ciliosa | orange honeysuckle | shrubs | Caprifoliaceae | S5 (2019) | K. Erickson (2016) |
| Lonicera hispidula | hairy honeysuckle | shrubs | Caprifoliaceae | S5 (2019) | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); B. Starzomski (2019) |
| Symphoricarpos albus var. laevigatus | snowberry | shrubs | Caprifoliaceae | S5 (2000) | K. Erickson (2016) |
| Symphoricarpos hesperius | creeping snowberry | shrubs | Caprifoliaceae | S5 (2019) | A. Simon (2017) |
| Paxistima myrsinites | Oregon boxwood | shrubs | Celastraceae | S5 (2019) | A. Simon (2021) |
| Cornus nuttallii | Pacific dogwood | shrubs | Cornaceae | S5 (2019) | K. Erickson (2016) |
| Gaultheria shallon | salal | shrubs | Ericaceae | S5 (2019) | M. Fairbarns (2016); A. Simon (2017); B. Starzomski (2018) |
| Vaccinium parvifolium | red huckleberry | shrubs | Ericaceae | S5 (2019) | K. Erickson (2016) |
| Cytisus scoparius | Scotch broom | shrubs | Fabaceae | exotic | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); R. Zich (2016); A. Simon (2017); A. Pelletier (2019); B. Starzomski (2019); J. Reynolds (2019) |
| Ribes sanguineum var. sanguineum | red-flowering current | shrubs | Grossulariaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2021) |
| Amelanchier alnifolia var. semiintegrifolia | showy saskatoon | shrubs | Rosaceae | S5 (2020) | M. Fairbarns (2016) |
| Crataegus monogyna | common hawthorn | shrubs | Rosaceae | exotic | K. Erickson (2016); M. Fairbarns (2016) |
| Holodiscus discolor var. discolor | oceanspray | shrubs | Rosaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Prunus emarginata | bitter cherry | shrubs | Rosaceae | S5 (2019) | M. Fairbarns (2016); K. Erickson (2016); A. Simon (2017) |
| Rosa gymnocarpa var. gymnocarpa | baldhip rose | shrubs | Rosaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Rosa nutkana ssp. nutkana | Nootka rose | shrubs | Rosaceae | S5 | K. Erickson (2016); M. Fairbarns (2016) |
| Rosa rubiginosa | sweet brier | shrubs | Rosaceae | exotic | K. Erickson (2016) |
| Rubus bifrons | Himalayan blackberry | shrubs | Rosaceae | exotic | K. Erickson (2016); M. Fairbarns (2016) |
| Rubus laciniatus | cutleaf blackberry | shrubs | Rosaceae | exotic | K. Erickson (2016) |
| Rubus leucodermis var. leucodermis | blackcap raspberry | shrubs | Rosaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Rubus parviflorus | thimbleberry | shrubs | Rosaceae | S5 (2019) | K. Erickson (2016) |
| Rubus spectabilis | salmonberry | shrubs | Rosaceae | S5 (2019) | K. Erickson (2016); H. Roemer (2004); A. Simon (2017) |
| Rubus ursinus | trailing blackberry | shrubs | Rosaceae | S5 (2019) | K. Erickson (2016); A. Simon (2019) |
| Spiraea douglasii var. douglasii | pink spiraea | shrubs | Rosaceae | S5 (2000) | K. Erickson (2016) |
| Salix lasiandra var. lasiandra | Pacific willow | shrubs | Salicaceae | S5 (2000) | M. Fairbarns (2016) |
| Salix scouleriana | Scouler’s willow | shrubs | Salicaceae | S5 (2019) | K. Erickson (2016); A. Simon (2018) |
| Daphne laureola | spurge-laurel | shrubs | Thymelaceae | exotic | M. Fairbarns (2016) |
| Ancotrema sportella | beaded lancetooth | snails & slugs | Haplotrematidae | S4S5 (2015) | A. Simon (2021) |
| Monadenia fidelis | Pacific sideband | snails & slugs | Xanthonychidae | S4 (2015) | S. Gilmore (2017); B. Starzomski (2019); A. Simon (2021) |
| Dysdera crocata | woodlouse spider | spiders and ticks | Dysderidae | exotic | B. Starzomski (2019) |
| Gnaphosa sp. | spiders and ticks | Gnaphosidae | A. Simon (2018) | ||
| Sergiolus columbianus | western patterned antmimic | spiders and ticks | Gnaphosidae | S5 (2018) | A. Simon (2018) |
| Alopecosa kochi | Koch fox spider | spiders and ticks | Lycosidae | S5 (2018) | A. Simon (2017) |
| Attinella dorsata | elongate patterned jumper | spiders and ticks | Salticidae | SU (2018) | W. Maddison (2019) |
| Habronattus hirsutus | common western ornamented jumper | spiders and ticks | Salticidae | S4 (2018) | W. Maddison (2019) |
| Habronattus ophrys | eyebrowed ornamented jumper | spiders and ticks | Salticidae | S4 (2018) | W. Maddison (2019) |
| Habronattus oregonensis | bulbous ornamented jumper | spiders and ticks | Salticidae | SU (2018) | A. Simon (2021) |
| Metaphidippus manni | western oak jumper | spiders and ticks | Salticidae | S4S5 (2018) | W. Maddison (2019) |
| Pelegrina aeneola | darkheaded whitecheeked jumper | spiders and ticks | Salticidae | S4S5 (2018) | W. Maddison (2019) |
| Phidippus johnsoni | Johnson jumper | spiders and ticks | Salticidae | S5 (2018) | A. Simon (2018); W. Maddison (2019) |
| Sitticus dorsatus | spiders and ticks | Salticidae | W. Maddison (2019) | ||
| Xysticus sp. | ground crab spider | spiders and ticks | Thomisidae | A. Simon (2018) | |
| Entomobrya katzi | springtails | Entomobryidae | unlisted | S. Gilmore (2019) | |
| Alnus rubra | red alder | trees | Betulaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016) |
| Thuja plicata | western redcedar | trees | Cupressaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); B. Starzomski (2018) |
| Arbutus menziesii | arbutus | trees | Ericaceae | S5 (2019) | M. Fairbarns (2016); A. Simon (2017) |
| Quercus garryana | Garry oak | trees | Fagaceae | S5 (2019) | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); B. Starzomski (2019); A. Pelletier (2019) |
| Abies grandis | grand fir | trees | Pinaceae | S5 (2019) | K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017) |
| Pseudotsuga menziesii var. menziesii | coast Douglas-fir | trees | Pinaceae | S5 (2000) | H. Roemer (2004); K. Erickson (2016); M. Fairbarns (2016); A. Simon (2017); L. Magner (2017) |
| Tsuga heterophylla | western hemlock | trees | Pinaceae | S5 (2019) | A. Simon (2017) |
| Acer glabrum var. douglasii | Douglas’ maple | trees | Sapindaceae | S5 (2019) | K. Erickson (2016) |
| Acer macrophyllum | bigleaf maple | trees | Sapindaceae | S5 (2019) | M. Fairbarns (2016); A. Simon (2017); A. Malcolm (2017); B. Starzomski (2019) |
| Elasmostethus cruciatus | red-cross shield bug | true bugs | Acanthosomatidae | unlisted | S. Gilmore (2017) |
| Philaenus cf spumaria | meadow frog-hopper | true bugs | Aphrophoridae | R. Zich (2016) | |
| Kleidocerys sp. | true bugs | Lygaeidae | S. Gilmore (2017) | ||
| Platycotis vittata | oak treehopper | true bugs | Membracidae | unlisted | S. Gilmore (2017); A. Simon (2018) |
| Chlorochroa rossiana | stink bug | true bugs | Pentatomidae | unlisted | S. Gilmore (2017) |
| Gastrodes pacificus | true bugs | Rhyparochromidae | unlisted | S. Gilmore (2018) |