Correll, D.S. Native Orchids of North America, North of Mexico. Rep. Pub. Stanford Uni. Press. 1978
pp.xv, 399 with illustrations throughout. 4to. A thor. vg. hardback in vg. dw.
Treats 200 species and varieties of orchids native to the United States and Canada.
£25.00 [Ref: 22860]