Ferns and Fern Allies of Pine Hills Field Station and Environs (Illinois)
Mohlenbrock, Robert H Engh, Jane Hinners
Article
1964
American fern journal
54
25--38
BioStor
English
[Washington, etc.] American Fern Society
BioStor: https://biostor.org/reference/218299 DOI: https://doi.org/10.2307/1547094
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