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A 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
FOTW VS. WORLDWIDE DIVERSITY
Families
Genera
Species
98.04%
Based on an estimate of 51 families worldwide. Total number of families on this website = 50.
Genera
83.09%
Based on an estimate of 337 genera worldwide. Total number of genera on this website = 280.
Species
10.67%
Based on an estimate of 11,916 species worldwide. Total number of species on this website = 1271.