Asplenium ruta-muraria
In Vermont, Asplenium ruta-muraria can be reliably found upon limestone bluffs along the eastern...
Read MorePosted by Michael Sundue | Jun 2, 2017 | Ferns, Observations
In Vermont, Asplenium ruta-muraria can be reliably found upon limestone bluffs along the eastern...
Read MorePosted by wtesto | Jul 7, 2015 | Ferns, New Collections
Underside of leaf Habit Leaf Habitat Dryopteris fragrans is one of the most unusual species in its...
Read MoreA Small Number of Gametophytes with Gametangia and Stunted Sporophytes of Antrophyum obovatum Baker (Pteridaceae): The Suppression of Functional Sporophyte Production by Prezygotic and Postzygotic Sterility. http://dlvr.it/Rr9wwH
Based on an estimate of 51 families worldwide. Total number of families on this website = 50.
Based on an estimate of 337 genera worldwide. Total number of genera on this website = 280.
Based on an estimate of 11,916 species worldwide. Total number of species on this website = 1271.