United States, California, Plumas, In small meadows, about 50 yards north of the gravel road, near a small branch of Coldwater Creek, about 3/4 mile southwest of Grizzly Mountain, about 2 miles (air) southwest of Haskins Valley and Bucks Lake. T23N R07E S21 NW1/4
Red Fir Forest. Normal size plants, on damp dark loose soil, parasitic on Perideridia, in small meadows, near a small branch of the creek. Common. Flowers dark blue purple.
Schneider 2017 annotation label says: Tissue sample removed 10-Jan-2016 for DNA analysis (Schneider et al 2016; Ann. Bot. 118:1101-1111).