Author | Date | Title | Source | Citation | Notes | |
---|---|---|---|---|---|---|
detail | BERG, Kaj, & Gunnar NYGAARD | 1929 | Studies on the plankton in the lake of Frederiksborg Castle | K. Danske Vidensk. Selsk. Naturvidensk. og Math. Afd. 9.Raekke | 1(4): 225-316, 17 figs., +VI pls. | systematic part authored by Nygaard |
detail | TAFT, Clarence | 1931 | Desmids of Oklahoma | Publ. Univ. Oklahoma Biol. Survey | 3(3): 273-323, incl. 6 pls. |