Willow hybrids: Salix hebecarpa Fernald and S. simulans Fernald
Ball, Carleton R. (Carleton Roy), 1873-1958
Article
1950
Rhodora
52
8--18
BioStor
[Cambridge, Mass., etc.] New England Botanical Club [etc.]
BioStor: https://biostor.org/reference/139445