References for Ophioglossaceae

Ceska, A.C. 1991. Botrychium. Pages 133-135 In G.W. Douglas et al., eds. The Vascular Plants of British Columbia. Part 3 - Dicotyledons (Primulaceae through Zygophyllaceae) and Pteridophytes. Special Rep. Ser. 3. B.C. Ministr. For., Victoria, BC.
Clausen, R.T. 1938. A monograph of the Ophioglossaceae. Mem. Torrey Bot. Club 19:1-177.
Wagner, W.H., Jr. and F.S. Wagner. 1981. New species of moonworts, Botrychium subgen. Botrychium (Ophioglossaceae), from North America. Amer. Fern J. 71:20-30.
Wagner, W.H., Jr. and F.S. Wagner. 1993. Ophioglossaceae. Pages 85-106 in Flora of North America Editorial Committee, eds. Flora of North America North of Mexico - Volume 2. Pteridophytes and Gymnosperms. Oxford Univ. Press Inc. New York, NY.
Wagner, W.H., Jr. and F.S. Wagner. 1986. Three new species of moonworts, Botrychium subgen. Botrychium, endemic in western North America. Amer. Fern J. 76:33-47.
Wagner, W.H., Jr. and F.S. Wagner. 1983. Two moonworts of the Rocky Mountains: Botrychium hesperium and a new species formerly confused with it. Amer. Fern J. 73:53-62.
Wagner, W.H., Jr. and L.P. Lord. 1956. The morphological and cytological distinctness of Botrychium minganense and B. lunaria in Michigan. Bull. Torrey Bot. Club 83:261-281.

Source for the Reference Lists

George W. Douglas, Del Meidinger and Jim Pojar. 1998-2002. Illustrated Flora of British Columbia.