Mycoheterotrophic Plants

How many of them are there?

Vanilla pterosperma

Publication Type:Book Chapter
Year of Publication:1832
Authors:N. Wallich
Book Title:Numerical list of dried specimens of plants in the Museum of the Honl. East India Company /which have been supplied by Dr. Wallich, superintendent of the botanic garden at Calcutta ("Wallich Catalogue")
Pagination:No. 7402
Publisher:Manuscript
City:Calkutta
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith