Najas guadalupensis (Spreng.) Magnus
Hydrocharitaceae
| Collection Number | Davidson, C 11615 |
| Collectors | |
| Identified By | C. Davidson |
| Source | C. Davidson |
| Date | 05 September 2009 |
| Country | USA |
| state | Idaho |
| county | Valley |
| Location | Payette Lake. Sylvan Beach. 910 Sylvan Beach Road. Sandy flats exposed as the lake level drops in mid- to late fall. |
| Lat/Long | N 44 57 20 W 116 05 51 |
Local Habitat
0km distance
| Location | USA, Valley County, Idaho, Payette Lake. Sylvan Beach. 910 Sylvan Creek Road. , N 44 57 20 W 116 05 51 |
| Date | 16 July 2010 |
0.2km distance
| Location | USA, Valley County, Idaho, Payette Lake. Sylvan Beach.Payette Lake. Exposed, east-facing granite excrescence. West of Sylvan Beach., N 44 57 27 W 116 05 49 |
| Date | 12 July 2014 |
| Ecology | Mixed conifer forest, mostly DSouglas fir and ponderosa pine, on glacially scraped granite exposures. |
0.8km distance
| Location | USA, Valley County, Idaho, Payette Lake. Sylvan Beach on Warren Wagon Road north of McCall. Mixed coniferous forest. Shady forest east of the reservoir., N 44 57 40 W 116 06 15 |
| Date | 13 July 2014 |
| Ecology | Willow and alder thicket at the edge of the reservoir. |
