A taxonomic study of Dumortiera
By: [by] Alexander W. Evans
Series: Contributions from the Osborn botanical laboratory, Yale university 1919 -- no. 5
Published: 1919
Place of publication: n.p
Language: eng
Number of pages: 182
Notes: Caption title.

"From the Bulletin of the Torrey botanical club, 46: 167-182. 17 My 1919."

"Literature cited": p. 181-182.