An infrageneric classification for Poa in North America, and other notes on sections, species, and subspecies of Poa, Puccinellia and Dissanthelium (Poaceae)

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