An Acknowledgment
Campbell, Douglas Houghton, 1859-1953
Article
1888
Botanical gazette
13
Issue: 2
40--40
BioStor
English
Hanover, Ind, [publisher not identified], 1876-1991
BioStor: https://biostor.org/reference/210247 DOI: https://doi.org/10.1086/326232