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

Asplenium trichomanes subsp. quadrivalens L. D.E. Mey.
limestone maidenhair spleenwort
Aspleniaceae (Spleenwort family)

Introduction to Vascular Plants

Photograph

Currently no image is available for this taxon.

Map

Distribution of Asplenium trichomanes subsp. quadrivalens
Click here to view the full interactive map and legend

Species Information

General:
Evergreen with clustered fronds.

Leaves:
Narrowly lanceolate, 10-25 cm long, 0.7-1.5 cm wide; rachis winged with two wax-papery lines, reddish-brown throughout (except the green tip on youngest leaves); pinnae in pairs, egg-shaped to oblong egg-shaped, 5-15 mm long, 3-8 mm wide.

Notes:
A variable species. Two chromosome races (diploid ssp. trichomanes and tetraploid ssp. quadrivalens D.E. Meyer) were reported from North America (Moran 1982, Wagner et al. 1993), but their distribution in British Columbia is poorly known and requires further study.

Source: The Illustrated Flora of British Columbia

Habitat and Range

Dry to mesic rocks in lowland and montane zones; frequent in coastal BC, infrequent east of the Coast-Cascade Mountains in S BC south of 51degreeN; circumpolar, N to S AK, E to AB and disjunct in ON to NF and S to GA, LA, TX, NM, AZ and CA; Eurasia.

Source: The Illustrated Flora of British Columbia

Status Information

Scientific Name	Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Asplenium trichomanes ssp. quadrivalens	Native	S4S5	Yellow	Not Listed
Asplenium trichomanes ssp. trichomanes	Native	S5	Yellow	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer.