E-Flora BC: Electronic Atlas of the Flora of British Columbia

Cryptogramma acrostichoides R. Br.
parsley fern (American rockbrake)
Pteridaceae (Maidenhair Fern family)

Introduction to Vascular Plants

© Val George  Email the photographer   (Photo ID #79454)

E-Flora BC Static Map
Distribution of Cryptogramma acrostichoides
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Species Information

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Evergreen perennial in clumps from a compact rhizome.
Densely tufted, overwintering, the stipes of old leaves persisting at the base; sterile leaves spreading, oblong-triangular, 5-20 cm long, 2- to 3-pinnate, their segments oblong or egg-shaped; fertile leaves erect, narrowly triangular, their segments linear, 3-12 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry rocks from the lowland to alpine zones; frequent in coastal BC, infrequent in SC BC; amphiberingian, N to AK, YT and NT, E to ON and S to MI, NM, AZ and CA; E Asia.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Cryptogramma acrostichoides

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 30 1076 2333
Slope Gradient (%) 0 51 200
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
2 184 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 1 7
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: AT(8), BWBS(2), CMA(2), CWH(49), ESSF(64), ICH(162), IDF(24), MH(9), MS(29), SBS(13), SWB(1)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Cryptogramma crispa subsp. acrostichoides (R. Br.) Hultén
Cryptogramma crispa subsp. acrostichoides
Cryptogramma crispa var. acrostichoides

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References