NATIVELeaf: simple or 1--2-forked, many, densely clustered, 5--15 cm, grass-like; stipe 2.5--12 cm, +- 0.5 mm wide, unwinged, red-brown at base, +- green above, dull; blade generally 1--2 mm wide, narrowly linear, sometimes with small, +- linear, generally sterile teeth near or at tip.
Sporangia: sori 5--15 mm, generally 1 per segment but sometimes appearing to have as many as 4, corresponding to generally the same number of teeth per segment.
Chromosomes: 2n=144.
Ecology: Crevices of granite rocks;
Elevation: 2500--3350 m.
Bioregional Distribution: CaRH, s SNH;
Distribution Outside California: to Oregon, South Dakota, Texas, northern Baja California; also West Virginia, Europe, Asia.
Jepson eFlora Author: Alan R. Smith
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)Listed on CNPS Rare Plant Inventory
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