Notes on North American plants
Subtitle: pts. I-IV
Published: 1941
Language: eng
Notes: I-Amer. Midl. Nat. 26(3): 690-695. 1941.

II-Amer. Midl. Nat. 27(1): 253-258. 1942.

III-Amer. Midl. Nat. 27(3): 761-765. 1942.

IV-Amer. Midl. Nat. 29(3): 785-786. 1943.