Athyrium filix-femina var. cyclosorum (L.) Roth. Ex Mert.
United States, California, Butte, On the east side of Little Kimshew Creek, where the basalt is eight sided, Snow Meadow, about _ mile east of Table Mountain, about 8 miles (air) northeast of Stirling City. T25N R05E S33
39.978611 -121.415833 +-805m. NAD83
T25N R05E S33; 39§ 58m 43s N; 121§ 24m 57s W
Small normal size fronds, on damp dark soil. Common. Red Fir Forest.