Similar species: Cut-leaved Grape Fern (Sceptridium dissectum) - Grape Ferns are difficult to tell apart. Rattlesnake Fern (Botrypus virginianus) - has three leaves (fronds) with the fertile stalk sticking straight up from the junction. Leathery Grape Fern (Sceptridium multifidum)
I have photos only of herbarium specimens of this species. I am indebted to E.P. for providing some photos of live plants.
(Royal Botanical Gardens Herbarium,Burlington,Ontario).
PLEASE NOTE: A coloured Province or State means this species occurs somewhere in that Province/State.
The entire Province/State is coloured, regardless of where in that Province/State it occurs.
(Range map provided courtesy of the USDA website
and is displayed here in accordance with their
Policies)