Mycoheterotrophic Plants

How many of them are there?

Beiträge zur Kenntnis und Systematik der Pyrolaceae: X. Monotropathum H. Andres, gen. nov.

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