Williams combleaf, Polyctenium williamsiae, Nevada, Lyon County, Pine Grove Hills, Dalzell Canyon - Smith Valley watershed, elevation 2411 m (7910 ft).
Specimen collected # Morefield 5685.
Iceberg Point ACEC. AKA var. gracilis
Note carinate intercostal membranes of calyx
50 to 100 plants. Pollinated by medium sized bees.
Puffer Butte, Fields Spring State Park