The ‘droppers’ of Tulipa and Erythronium
Arber, Agnes Robertson, 1879-1960
Article
1906-10
Annals of botany
20
429--440
New York Botanical Garden, LuEsther T. Mertz Library
English
London, Academic Press [etc.],
DOI: https://doi.org/10.1093/oxfordjournals.aob.a089111