Asplenium pinnatifidum
Encyclopedia
Asplenium pinnatifidum is known as the lobed spleenwort or pinnatifid spleenwort. It is an Appalachian rock fern, growing in rock crevices in moderately acid to subacid strata. It is often confused with Asplenium bradleyi
.
This fern species is an allotetraploid of hybrid origin. Its parent species are Asplenium montanum
and Asplenium rhizophyllum
. The genus Asplenium is known for its hybrids
.
Asplenium bradleyi
Bradley's spleenwort, Asplenium bradleyi, is a rare rock fern of the Appalachian area of eastern North America. It is a species of hybrid origin. The parents are Asplenium montanum and Asplenium platyneuron. The hybrid became a species with a doubling of the chromosome number, hence this species...
.
This fern species is an allotetraploid of hybrid origin. Its parent species are Asplenium montanum
Asplenium montanum
Asplenium montanum is commonly known as the mountain spleenwort, a simple reflection of the scientific name. It is a small but intricately divided fern of acid rocks. Typically, it grows in rock crevices into which moisture seeps from within the rock strata...
and Asplenium rhizophyllum
Asplenium rhizophyllum
Asplenium rhizophyllum, the American Walking Fern, is a rare, low lying fern native to North America. It is a close relative of Asplenium ruprechtii which is found in East Asia and also goes by the common name of walking fern.-Description:The name walking fern was derived from the way the fern...
. The genus Asplenium is known for its hybrids
Asplenium hybrids
The fern genus Asplenium is well-known for its hybridization capacity, especially in temperate zones.-North American Asplenium Hybrid Complex:...
.