Mycoheterotrophic Plants

How many of them are there?

Taxonomy of Exochaenium and Lagenias: two resurrected genera of tribe Exaceae (Gentianaceae)

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