Other common names:
Limestone Oak Fern, Scented Oak Fern Other scientific names: Carpogymnia robertiana, Dryopteris robertiana, Polypodium robertianum French names:
Gymnocarpe de Robert Family: Wood Fern Family (Dryopteridaceae) Distinctive features:
Single stalk. Three-part frond. Delicate aspect. Thrice divided. Similar species: • Oak Fern (Gymnocarpium dryopteris) - in woods, more common. • Bracken (Pteridium aquilinum) - much larger, very common. • Rattlesnake Fern (Botrypus virginianus) - stouter; single fertile frond rising straight up; common. • Grape Ferns - stouter; stout separate fertile frond. Leaves: Thrice divided Habitat: Fields and Open Areas Native/Non-native:
Native Status:
Rare.
For more information visit: Ontario Ferns Photographs:
195 photographs available, of which 6 are featured on this page. SCROLL DOWN FOR PHOTOGRAPHS.
A clump of Robert's Fern growing in a dolostone crevice.
Closer view.
Photo of a full frond.
Closeup of the frond.
Underside of the leaflet, showing the sori.Note how the sori are arranged along the edges of the subleaflets.
Closer view of the sori.
If you enjoyed this website you might also enjoy these other websites in the Wildwood Canada group
