Browsing Contributions from the United States National Herbarium by Author "Maxon, William R."

Now showing items 1-10 of 10

A study of certain Mexican and Guatemalan species of Polypodium

Maxon, William R. (1903)
A new spleenwort from China

Maxon, William R. (Government Printing Office, 1909)
The relationship of <I>Asplenium andrenasii</I>

Maxon, William R. (Government Printing Office, 1912)
Studies of tropical American ferns -- No. 1

Maxon, William R. (Government Printing Office, 1908)
Studies of tropical American ferns No. 2

Maxon, William R. (Government Printing Office, 1909)
Studies of tropical American ferns No. 3

Maxon, William R. (Government Printing Office, 1912)
Studies of tropical American ferns No. 4

Maxon, William R. (Government Printing Office, 1913)
Studies of tropical American ferns No. 5

Maxon, William R. (Government Printing Office, 1914)
Studies of tropical American ferns No. 6

Maxon, William R. (Government Printing Office, 1916)
Studies of tropical American ferns No. 7

Maxon, William R. (Government Printing Office, 1922)

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