American Rockbrake - Cryptogramma acrostichoides
Other Names:
Cryptogramma crispa
Native Species
Global Rank:
G5
State Rank:
S4
C-value:
Agency Status
USFWS:
USFS:
BLM:
External Links
Rhizome short, covered with old leaf bases. Sterile leaves 4–25 cm long, petiole ca. half the length, blades 2 to 3 times pinnate, leathery, parsley-like, ultimate lobes elliptic. Pinnules with some secondary veins ending in sunken, white hydathodes. Fertile leaves up to 30 cm long, mostly twice pinnate, pinnules linear with yellowish margins rolled under and often meeting in the center before they split at maturity (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Shallow soil of rock outcrops, rock slides, less common on wet cliffs; at all elevations (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).