genus
March Browns
Rhithrogena
Field notes
Children
- March Brown Mayfly
- March Browns presumed native
- Western March Brown
- Rhithrogena robusta
- Western Black Quill
- Dark Red Quill
- Rhithrogena manifesta
- Columbia Flat-headed Mayfly
- Rhithrogena flavianula
- Western Gordon Quill
- Rhithrogena undulata
- Rhithrogena fasciata
- Rhithrogena brunneotincta
- Rhithrogena jejuna
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided