Mycoheterotrophic Plants

How many of them are there?

Zur Biologie von Voyria truncata (Standley) Standley & Steyermark und Voyria tenella Hooker

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith