Sceptridium
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- BLUNT-LOBE GRAPEFERN Botrychium Oneidense (Gilbert) House ADDER ’S-TONGUE FAMILY (OPHIOGLOSSACEAE)
- Checklist of Plants
- Botrychium Multifidum (Gmel.) Rupr
- Systematics of Moonworts Botrychium Subgenus Botrychium
- Botrychium Simplex E. Hitchcock (Little Grapefern) a Technical Conservation Assessment
- Botrychium Multifidum (Gmel.) Rupr
- An Illustrated Key to the Ferns and Fern Allies (Pteridophyta) of Alberta