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 rough-fruited cinquefoil Potentilla recta G? SE5 Yes Yes Yes creeping cinquefoil Potentilla reptans G? SE2 Yes Yes Yes Canada cinquefoil Potentilla simplex G5 S5 No Yes Yes white-lettuce Prenanthes alba G5 S5 No Yes Yes tall white-lettuce Prenanthes altissima G5? S5 No Yes Yes American heal-all Prunella vulgaris ssp. lanceolatus G5T? S5 No Yes Yes lungwort Pulmonaria officinalis NR SE1 Yes Yes Yes pink pyrola Pyrola asarifolia G5 S5 No Yes Yes green pyrola Pyrola chlorantha G5 S4S5 rare rare No Yes Yes Synonym: Pyrola virens / Historic record - 1904 shinleaf Pyrola elliptica G5 S5 No Yes Yes kidney-leaf buttercup Ranunculus abortivus G5 S5 No Yes Yes tall buttercup Ranunculus acris G5 SE5 Yes Yes Yes yellow water buttercup Ranunculus flabellaris G5 S4? rare rare No Yes Yes swamp buttercup Ranunculus hispidus var. caricetorum G5T5 S5 No Yes Yes Synonym: Ranunculus septentrionalis swamp buttercup Ranunculus hispidus var. hispidus G5T5 S3 rare rare rare No Yes Yes bristly crowfoot Ranunculus pensylvanicus G5 S5 rare rare No Yes Yes hooked buttercup Ranunculus recurvatus var. recurvatus G5 S5 No Yes Yes creeping spearwort Ranunculus repens G? SE5 Yes Yes Yes cursed crowfoot Ranunculus sceleratus var. sceleratus G5 S5 No Yes Yes prairie coneflower Ratibida columnifera G5 SE1 Yes Yes No Historic record - 1918 rhubarb Rheum rhabarbarum G? SE2 Yes Yes Yes Synonym: Rheum rhaponticum clammy locust Robinia viscosa G3 SE2 Yes Yes Yes marsh yellow cress Rorippa palustris ssp. hispida G5 S5 No Yes Yes Synonym: Rorippa islandica of NA reports creeping yellow cress Rorippa sylvestris G5 SE5 Yes Yes Yes black-eyed susan Rudbeckia hirta G5 S5 No Yes Yes cut-leaved coneflower Rudbeckia laciniata G5 S5 No Yes Yes thin-leaved coneflower Rudbeckia triloba G4 SE4 Yes Yes Yes sheep sorrel Rumex acetosella ssp. acetosella G5 SEU Yes Yes Yes curled dock Rumex crispus G? SE5 Yes Yes Yes yard dock Rumex longifolius G? SE1 Yes Yes No Historic record - 1910 bitter dock Rumex obtusifolius ssp. obtusifolius G5 SE5 Yes Yes Yes great water dock Rumex orbiculatus G5 S4S5 rare No Yes Yes willow-leaved dock Rumex triangulivalvis G5 S4 No Yes Yes Synonyms: Rumex mexicanus, Rumex salicifolius creeping pearlwort Sagina procumbens G5 SE4 Yes Yes Yes Russian thistle Salsola kali G? SE5 Yes Yes Yes Synonyms: Salsola pestifer, Salsola ruthenica, Salsola tragus wood sage Salvia nemorosa G? SE1 Yes Yes No Historic record - 1942 bloodroot Sanguinaria canadensis G5 S5 No Yes Yes black snakeroot Sanicula marilandica G5 S5 No Yes Yes clustered snakeroot Sanicula odorata G5 S5 rare rare No Yes No Synonym: Sanicula gregaria / Historic record - 1929 bouncing-bet Saponaria officinalis G? SE5 Yes Yes Yes pitcher-plant Sarracenia purpurea G5 S5 rare rare No Yes Yes summer thyme Satureja hortensis G? SE2 Yes Yes No Historic record - 1889 early saxifrage Saxifraga virginiensis G5 S5 rare rare No Yes Yes scheuchzeria Scheuchzeria palustris G5 S4S5 rare rare No Yes No Historic record - 1901 Credit Valley Conservation Page 16 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 squill Scilla siberica G? SE2 Yes Yes Yes annual knawel Scleranthus annuus G? SE5 Yes Yes No Historic record - 1920 lance-leaved figwort Scrophularia lanceolata G5 S4 rare rare No Yes Yes carpenter's-square Scrophularia marilandica G5 S4 rare rare No Yes Yes hooded skullcap Scutellaria galericulata G5 S5 No Yes Yes Synonym: Scutellaria epilobiifolia mad-dog skullcap Scutellaria lateriflora G5 S5 No Yes Yes small skullcap Scutellaria parvula ssp. parvula G4 S4 rare rare No Yes Yes Historic record - 1902 mossy stonecrop Sedum acre G? SE5 Yes Yes Yes white stonecrop Sedum album G? SE1 Yes Yes Yes Spanish stonecrop Sedum hispanicum G? SE1 Yes Yes Yes false stonecrop Sedum spurium G? SE1 Yes Yes Yes live-forever Sedum telephium ssp. fabaria G? SE2 Yes Yes Yes Synonym: Sedum purpureum golden ragwort Senecio aureus G5 S5 rare rare No Yes Yes sticky groundsel Senecio viscosus G? SE3 Yes Yes Yes common groundsel Senecio vulgaris G? SE5 Yes Yes Yes bur cucumber Sicyos angulatus G5 S5 rare rare No Yes Yes sleepy catchfly Silene antirrhina G5 S5 rare rare No Yes Yes forking catchfly Silene dichotoma G? SE1 Yes Yes No white campion Silene latifolia G? SE5 Yes Yes Yes Synonyms: Lychnis alba, Silene alba, Silene pratensis night-flowering catchfly Silene noctiflora G? SE5 Yes Yes Yes bladder campion Silene vulgaris G? SE5 Yes Yes Yes Synonym: Silene cucubalus milk thistle Silybum marianum G? SE1 Yes Yes No Historic record - 1913 white mustard Sinapis alba G? SE2 Yes Yes No Synonyms: Brassica alba, Brassica hirta / Historic record - 1902 charlock Sinapis arvensis G? SE5 Yes Yes Yes Synonym: Brassica kaber tumble mustard Sisymbrium altissimum G? SE5 Yes Yes Yes hedge mustard Sisymbrium officinale G? SE5 Yes Yes Yes little blue-eyed grass Sisyrinchium montanum G5 S5 rare No Yes Yes Synonym: Sisyrinchium bermudianum water-parsnip Sium suave G5 S5 No Yes Yes carrion-flower Smilax herbacea G5 S4 No Yes Yes black nightshade Solanum nigrum G? SE1 Yes Yes Yes American black nightshade Solanum ptycanthum G5 S5 No Yes Yes Synonym: Solanum americanum buffalo-bur Solanum rostratum G5 SE1 Yes Yes Yes tall goldenrod Solidago altissima var. altissima NR S5 No Yes Yes silver-rod Solidago bicolor G5 S4? rare rare No Yes Yes blue-stemmed goldenrod Solidago caesia G5 S5 No Yes Yes Canada goldenrod Solidago canadensis G5 S5 No Yes Yes zig-zag goldenrod Solidago flexicaulis G5 S5 No Yes Yes giant goldenrod Solidago gigantea G5 S5 No Yes Yes hairy goldenrod Solidago hispida var. hispida G5 S5 rare rare No Yes Yes early goldenrod Solidago juncea G5 S5 No Yes Yes gray goldenrod Solidago nemoralis ssp. nemoralis G5 S5 No Yes Yes rough-leaved goldenrod Solidago patula G5 S5 rare rare No Yes Yes rough goldenrod Solidago rugosa ssp. rugosa G5 S5 No Yes Yes stout goldenrod Solidago squarrosa G4? S5 rare rare No Yes Yes Credit Valley Conservation Page 17 Prov Status GTA Status CVC/Peel Status Non-Native Status Peel Region CVC Notes
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Plants of the Credit River Watershed - Credit Valley Conservation

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