Plants of the northern temperate zone in their transition to the high mountains of tropical Africa
Engler, Adolf, 1844-1930
Article
1904-10
Annals of botany
18
523--540
New York Botanical Garden, LuEsther T. Mertz Library
English
London, Academic Press [etc.],
DOI: https://doi.org/10.1093/oxfordjournals.aob.a088974