C.
J.
Sheviak
A New Form of Cypripedium montanum Dougl. ex Lindl. Rhodora 92, 47-49.
, 1990. A New Spiranthes (Orchidaceae) from the Cienegas of Southernmost Arizona. Rhodora , 213-231.
, 1990. A New Schiedeella (Orchidaceae: Spiranthinae) from Guatemala. Rhodora 92, 11-16.
, 1990. A New Spiranthes (Orchidaceae) from Ash Meadows, Nevada. Rhodora 91, 225-234.
, 1989. Cypripedium parviflorum Salisb. var. makasin (Farwell) Sheviak. American Orchid Society Bulletin 62, 403.
, 1993. Cypripedium parviflorum Salisb. I: The Small-flowered Varieties. American Orchid Society Bulletin 63, 664-669.
, 1994. Taxonomic Notes on Some North American Orchids. Lindleyana 8, 77-81.
, 1993. Cypripedium in North America. Wild Orchid Journal [Japan] 12, 22-31.
, 1995. Cypripedium parviflorum Salisb. II: The Larger-flowered Plants and Patterns of Variation. American Orchid Society Bulletin 64, 606-12.
, 1995. New Chromosome Number Determinations in Platanthera. North American Native Orchid Journal 4, 168-172.
, 1998.