The Ophioglossaceae is a unique family of small, inconspicuous, and often rare ferns with 16 species in British Columbia. This paper summarizes what is know about the Ophioglossaceae in British Columbia and draws attention to the lack of information regarding their taxonomy and ecology within the region. Species associations within the family are discussed and localities with high species richness are noted. This paper contains an illustrated key to the Ophioglossaceae of British Columbia and includes descriptions, distribution maps, habitat information, and rarity status for each species. Pertinent questions for future research and conservation are suggested.

Key words: Botrychium, British Columbia, Ophioglossaceae, Ophioglossum