Asplenium trichomanes L.
Family: Aspleniaceae
maidenhair spleenwort
Asplenium trichomanes image
Christopher Noll  
Asplenium trichomanes image
Christopher Noll  
Asplenium trichomanes image
University of Wisconsin - Madison (WIS-VP)  
Etymology: Asplenium: from Greek a, "without," and spleen, "spleen"
Plants: perennial fern
Conservation Status: Special Concern
Rare on moist boulders and outcrops, usually near water. Subspecies trichomanes grows on acidic rocks such as sandstone, and granite. It is a diploid with smaller spores, 27--32 um. Subspecies quadrivalens D.E.Meyer grows on calcareous rocks, usually limestone and dolomite. It is a tetraploid with larger spores, 37--43 um.
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Christopher Noll  
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Christopher Noll  
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Christopher Noll  
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Kurt Stüber  
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Botanical Illustration  
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Botanical Illustration  
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Botanical Illustration  
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Botanical Illustration  
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Emmet J. Judziewicz  
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Robert H. Read  
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Asplenium trichomanes image
Christopher Noll