Plants of the Credit River Watershed - Credit Valley Conservation

Common Name Scientific Name
Subspecies/
Variety
G-Rank
S-Rank
Plants of the Credit River Watershed
eastern white cedar Thuja occidentalis G5 S5 No Yes Yes
basswood Tilia americana G5 S5 No Yes Yes
eastern hemlock Tsuga canadensis G5 S5 No Yes Yes
American elm Ulmus americana G5? S5 No Yes Yes
red elm Ulmus rubra G5 S5 No Yes Yes
rock elm Ulmus thomasii G5 S4? rare rare No Yes Yes
woody vine A woody plant with trailing stems.
COSEWIC
oriental bittersweet Celastrus orbiculatus G? SE2 Yes Yes Yes
climbing bittersweet Celastrus scandens G5 S5 No Yes Yes
purple clematis Clematis occidentalis var. occidentalis G5 S4S5 rare rare No Yes No Historic record - 1891
trailing arbutus Epigaea repens G5 S5 rare rare No Yes Yes
Japanese hops Humulus japonicus G? SE3 Yes Yes Yes
common hops Humulus lupulus var. lupulus G5 SE3? Yes Yes Yes
limber honeysuckle Lonicera dioica G5 S5 No Yes Yes
hairy honeysuckle Lonicera hirsuta G4G5 S5 rare rare No Yes Yes
moonseed Menispermum canadense G5 S4 rare No Yes Yes
common Virginia creeper Parthenocissus inserta G5 S5 No Yes Yes Synonym: Parthenocissus vitacea
poison-ivy Rhus radicans ssp. negundo G5T? S5 No Yes Yes
Synonyms: Rhus radicans ssp. radicans of PCF,
Toxicodendron negundo
northern dewberry Rubus flagellaris G5 S4 rare rare No Yes Yes
swamp dewberry Rubus hispidus G5 S4S5 rare rare No Yes No
dwarf raspberry Rubus pubescens G5 S5 No Yes Yes
bristly greenbrier Smilax hispida G5Q S4 No Yes Yes Synonym: Smilax tamnoides
climbing nightshade Solanum dulcamara G? SE5 Yes Yes Yes
periwinkle Vinca minor G? SE5 Yes Yes Yes
summer grape Vitis aestivalis G5 S4 rare rare No Yes Yes
fox grape Vitis labrusca G5 S1 Yes Yes Yes
riverbank grape Vitis riparia G5 S5 No Yes Yes
Credit Valley Conservation Page 31
Prov Status
GTA Status
CVC/Peel Status
Non-Native
Status
Peel Region
CVC
Notes