1. Freshwater algae of North America : ecology and classification /: ecology and classification. (2002) Other Names: Wehr, John D; Sheath, Robert G Record Type: Book Extent: 1 online resource (917 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Freshwater algae of North America : ecology and classification.: ecology and classification. (2015) Editors: Wehr, John D; Sheath, Robert G; Kociolek, John Patrick Record Type: Book Extent: 1 online resource (1066 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Freshwater algae of North America : ecology and classification.: ecology and classification. (2015) Editors: Wehr, John D; Kociolek, John Patrick; Sheath, Robert G Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗