Mycoheterotrophic Plants

How many of them are there?

On the biology, biogeography, and taxonomy of Arachnitis Phil. nom. cons. (Corsiaceae) in respect to a new record from Bolivia

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