This VIAF Cluster has been deleted. It is no longer part of VIAF.
Christensen, Carl, 1872-1942. | American ferns of the group of dryopteris opposita contained in the u.s. national museum
VIAF ID: 313745980 ( Unknown Name Type )
Permalink: http://viaf.org/viaf/313745980
Preferred Forms
4xx's: Alternate Name Forms (1)
Selected Titles
Author
:
Christensen, Carl,