Plants of the Credit River Watershed - Credit Valley Conservation

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Common Name Scientific Name Subspecies/ Variety G-Rank S-Rank Plants of the Credit River Watershed COSEWIC bog goldenrod Solidago uliginosa G4G5 S5 rare rare No Yes Yes field sow-thistle Sonchus arvensis ssp. arvensis G? SE5 Yes Yes Yes Synonym: Sonchus uliginosa spiny-leaved sow-thistle Sonchus asper ssp. asper G? SE5 Yes Yes Yes annual sow-thistle Sonchus oleraceus G? SE5 Yes Yes Yes saltmarsh sand spurrey Spergularia media G? SE3 Yes Yes Yes Synonym: Arenaria media nodding ladies'-tresses Spiranthes cernua G5 S5 rare rare No Yes Yes rough hedge-nettle Stachys hispida G4Q S4S5 rare rare No Yes Yes Synonym: Stachy tenuifolia of ON reports marsh hedge-nettle Stachys palustris G5 SE5 rare rare No Yes Yes grass-leaved stitchwort Stellaria graminea G? SE5 Yes Yes Yes long-leaved chickweed Stellaria longifolia G5 S5 rare rare No Yes Yes common chickweed Stellaria media G? SE5 Yes Yes Yes rose twisted-stalk Streptopus roseus G5 S5 No Yes Yes prickly comfrey Symphytum asperum G? SE2 Yes Yes Yes common comfrey Symphytum officinale ssp. officinale NR SE5 Yes Yes Yes skunk-cabbage Symplocarpus foetidus G5 S5 rare rare No Yes Yes yellow pimpernel Taenidia integerrima G5 S4 rare rare No Yes Yes common feverfew Tanacetum parthenium G? SE3 Yes Yes Yes Synonym: Chrysanthemum parthenium common tansy Tanacetum vulgare G? SE5 Yes Yes Yes red-seeded dandelion Taraxacum erythrospermum G? SE5 Yes Yes No common dandelion Taraxacum officinale G5 SE5 Yes Yes Yes wood germander Teucrium canadense ssp. canadense G5 S5? rare rare No Yes Yes early meadow-rue Thalictrum dioicum G5 S5 No Yes Yes tall meadow-rue Thalictrum pubescens G5 S5 No Yes Yes Synonym: Thalictrum polygamum rue-anemone Thalictrum thalictroides G5 S3 rare rare rare No Yes No Synonym: Anemonella thalictroides / Historic record - 1911 golden creeper Thladiantha dubia G? SE2 Yes Yes Yes field penny-cress Thlaspi arvense G? SE5 Yes Yes Yes creeping thyme Thymus praecox ssp. arcticus G? SE3 No Yes Yes Synonym: Thymus serpyllum foam-flower Tiarella cordifolia G5 S5 No Yes Yes Japanese hedge-parsley Torilis japonica G? SE4 Yes Yes Yes large goat's-beard Tragopogon dubius G? SE5 Yes Yes Yes Synonym: Tragopogon major common salsify Tragopogon porrifolius G? SE4? Yes Yes Yes meadow goat's-beard Tragopogon pratensis ssp. pratensis G? SE5 Yes Yes Yes marsh St. John's-wort Triadenum fraseri G4G5 S4 rare No Yes Yes star-flower Trientalis borealis ssp. borealis G5 S5 No Yes Yes rabbit-foot clover Trifolium arvense G? SE4 Yes Yes Yes hop clover Trifolium aureum G? SE5 Yes Yes Yes Synonym: Trifolium agrarium large hop clover Trifolium campestre G? SE5 Yes Yes Yes Synonym: Trifolium procumbens small hop clover Trifolium dubium G? SE4 Yes Yes Yes alsike clover Trifolium hybridum ssp. elegans G? SE4 Yes Yes Yes crimson clover Trifolium incarnatum G? SEH Yes Yes Yes Historic record - 1900 red clover Trifolium pratense G? SE5 Yes Yes Yes white clover Trifolium repens G? SE5 Yes Yes Yes nodding trillium Trillium cernuum G5 S5 rare rare No Yes Yes red trillium Trillium erectum G5 S5 No Yes Yes Credit Valley Conservation Page 18 Prov Status GTA Status CVC/Peel Status Non-Native Status Peel Region CVC Notes
Common Name Scientific Name Subspecies/ Variety G-Rank S-Rank Plants of the Credit River Watershed COSEWIC white trillium Trillium grandiflorum G5 S5 No Yes Yes painted trillium Trillium undulatum G5 S5? rare rare No Yes Yes Historic record - 1947 wild-coffee Triosteum aurantiacum G5 S5 rare rare No Yes Yes common wheat Triticum aestivum G? SE1 Yes Yes Yes Synonyms: Triticum sativum, Triticum vulgare coltsfoot Tussilago farfara G? SE5 Yes Yes Yes European stinging nettle Urtica dioica ssp. dioica G5T? SE2 Yes Yes No American stinging nettle Urtica dioica ssp. gracilis G5T? S5 No Yes Yes Synonyms: Urtica gracilis, Urtica procera large-flowered bellwort Uvularia grandiflora G5 S5 No Yes Yes cow cockle Vaccaria hispanica G? SE3 Yes Yes Yes Synonyms: Saponaria vaccaria, Vaccaria pyramidata common valerian Valeriana officinalis G? SE5 Yes Yes Yes moth mullein Verbascum blattaria G? SE5 Yes Yes Yes clasping mullein Verbascum phlomoides G? SE1 Yes Yes Yes common mullein Verbascum thapsus G? SE5 Yes Yes Yes blue vervain Verbena hastata G5 S5 No Yes Yes narrow-leaved vervain Verbena simplex G5 S4 No Yes Yes hoary vervain Verbena stricta G5 S4 rare rare No Yes Yes white vervain Verbena urticifolia G5 S5 No Yes Yes field speedwell Veronica agrestis G? SE1? Yes Yes Yes American brooklime Veronica americana G5 S5 No Yes Yes European water speedwell Veronica anagallis-aquatica G5 SE5 Yes Yes Yes corn speedwell Veronica arvensis G? SE5 Yes Yes Yes water speedwell Veronica catenata G5 S4 rare rare No Yes Yes long-leaved speedwell Veronica longifolia G? SE3 Yes Yes Yes common speedwell Veronica officinalis G5 SE5 Yes Yes Yes purslane speedwell Veronica peregrina ssp. peregrina G5 S5 No Yes Yes bird's-eye speedwell Veronica persica G5 SE4 Yes Yes Yes marsh speedwell Veronica scutellata G5 S5 rare rare No Yes Yes thyme-leaved speedwell Veronica serpyllifolia ssp. serpyllifolia G?T? SE5 Yes Yes Yes cow vetch Vicia cracca G? SE5 Yes Yes Yes common vetch Vicia sativa ssp. nigra G? SE5 Yes Yes Yes Synonym: Vicia angustifolia slender vetch Vicia tetrasperma G? SE5 Yes Yes Yes hairy vetch Vicia villosa G5 SE5 Yes Yes Yes hooked-spur violet Viola adunca G5 S4S5 rare rare No Yes Yes wild pansy Viola arvensis G? SE4 Yes Yes Yes sweet white violet Viola blanda G4G5 S4S5 No Yes Yes Synonym: Viola incognita Canada violet Viola canadensis G5 S5 No Yes Yes dog violet Viola conspersa G5 S5 No Yes Yes marsh blue violet Viola cucullata G4G5 S5 rare No Yes Yes Synonym: Viola papilionacea of ON reports (in part) field pansy Viola kitaibeliana G? SE4 Yes Yes No Historic record - 1897 northern white violet Viola macloskeyi ssp. pallens G5 S5 rare rare No Yes Yes Synonym: Viola pallens sweet violet Viola odorata G? SE2 Yes Yes Yes yellow violet Viola pubescens G5 S5 No Yes Yes Synonyms: Viola eriocarpa, Viola pensylvanica kidney-leaved violet Viola renifolia G5 S5 rare No Yes Yes long-spurred violet Viola rostrata G5 S5 No Yes Yes arrow-leaved violet Viola sagittata var. sagittata G5 S4 rare rare No Yes Yes Synonym: Viola fimbriatula Credit Valley Conservation Page 19 Prov Status GTA Status CVC/Peel Status Non-Native Status Peel Region CVC Notes
Page 1 and 2: Plants of the Credit River Watershe
Page 3 and 4: The following definitions have been
Page 5 and 6: Common Name Scientific Name Subspec
Page 21: Common Name Scientific Name Subspec
Page 37: 21. Lindsay, K.M. 1984. Life Scienc

Plants of the Credit River Watershed - Credit Valley Conservation

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