Some unreported Alaskan sphagna, together with a summary of the cryptogamic work of the University o - detaljert visning

Some unreported Alaskan sphagna, together with a summary of the cryptogamic work of the University of California Botanical Expedition to Alaska in 1899

William Albert Setchell
Bok Engelsk 1907


Utgitt	Berkeley , 1907
Opplysninger	Særtrykk av: University of California publications on botany, vol. 2