-
By: Wiggans, R. G. (Roy Glen),Edition:Publication info: Ithaca, 1921Volume:Series:Holding Institution: Library of CongressSubjects:BHL Collections:
-
By: Wiggans, R. G. (Roy Glen),Edition:Publication info: [Ithaca, N. Y.], 1915Volume:Series:Holding Institution: Cornell University LibrarySubjects:BHL Collections:
-
By: Wiggans, R. G. (Roy Glen),Type: ArticleIn: American journal of botanyVolume: 8Series:Issue: 1Date: 1921-01Page Range: 30--40Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-Subjects: