United States, California, Butte, On the east bank of Big Chico Creek, on the west side of the dirt road which is Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highwat 32, about 10 miles northeast of Chico. T23N R02E S35 SW 1/4
Normal size frond, on damp soil, around large boulders, on the east bank of Big Chico Creek, on the west side of the dirt road. Uncommon. Riparian in Foothill Woodland.
Label says "Permission to collect given by Assistant City Manager, Dennis Beardsley" .Diels 2010 annotation label says: as determined on a duplicates at JEPS.