Colors

Data mode

Account

Login
Sign up

Copy permalink to share

Asplenium quadrivalens (D.E. Meyer) Landolt. Maidenhair Spleenwort. Phen: May-Oct. Hab: Moist outcrops of calcareous sedimentary rocks, such as limestone or dolostone. Dist: A. quadrivalens is known from North America and Eurasia (at least); in North America it is substantially rarer than diploid A. trichomanes and more limited in range, occurring from New England, s. ON, and AK south to w. VA, OH, and s. IL, and in BC, WA, and OR.

Origin/Endemic status: Native

Other Comments: A. quadrivalens is the result of the hybridization of two ecologically differentiated diploid taxa in the A. trichomanes complex. It is possible that future research will determine that two or more taxa (with different alloploid parental origins) are present within what is here treated as a single taxon at species rank.

Synonymy: = FoC2-3; = Asplenium trichomanes L. ssp. quadrivalens D.E.Mey. – FNA2, Il, K1, K3, K4, NE, NY, Pa, Va, W; < Asplenium trichomanes L. – C, F, G, GrPl, RAB, S13, Sf

Show in key(s)

Show parent genus

Wetland Indicator Status:

  • Eastern Mountains and Piedmont: FAC (taxonomic split from wetland indicator species)
  • Great Plains: FAC (taxonomic split from wetland indicator species)
  • Midwest: UPL (taxonomic split from wetland indicator species)
  • Northcentral & Northeast: UPL (taxonomic split from wetland indicator species)

Heliophily ?: 1

Your browser does not support SVGs

Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.

image of plant© Alan Cressler: Asplenium quadrivalens, Limestone Outcrop, Road 14, Jackman Creek, Whatcom County, Washington 1 by Alan Cressler source | Original Image ⭷
image of plant© Alan Weakley, some rights reserved (CC BY-NC), uploaded by Alan Weakley source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Andrew Lane Gibson, some rights reserved (CC BY-NC), uploaded by Andrew Lane Gibson source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Alan Weakley, some rights reserved (CC BY-NC), uploaded by Alan Weakley source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Alan Weakley, some rights reserved (CC BY-NC), uploaded by Alan Weakley source CC-BY-NC, permission granted to NCBG | Original Image ⭷

Feedback

See something wrong or missing on about Asplenium quadrivalens? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.) We greatly appreciate feedback, and will include updates from you in our next webapp update, which can take a few months.


Cite as...