A Revision of the Genus Ephemerella (Ephemeroptera, Ephemerellidae) VIII. The Subgenus Ephemerella in North America
Allen RK and Edmunds GF. 1965. A Revision of the Genus Ephemerella (Ephemeroptera, Ephemerellidae) VIII. The Subgenus Ephemerella in North America. Miscellaneous Publications of the Entomological Society of America. 4(6):244-282
A taxonomic review of the 25 species of the genus Ephemerella that are placed in the subgenus Ephemerella, using in part material from Great Smoky Mountains, Zion, Yellowstonoe, Yosemite, Glacier, and Sequoia National Parks.