Physematium is a genus of ferns in the family Woodsiaceae. It was treated as a synonym of Woodsia until 2020 when a molecular phylogenetic study showed its distinctiveness.[1] As of June 2023[update], Plants of the World Online continued to treat the genus as a synonym of Woodsia.[2]
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Physematium is a genus of ferns in the family Woodsiaceae. It was treated as a synonym of Woodsia until 2020 when a molecular phylogenetic study showed...
Physematium plummerae is a species of fern known by the common name Plummer's cliff fern. It is native to the southwestern United States and northern...
Physematium scopulinum, also called Woodsia scopulina, is a deciduous perennial fern in the family Woodsiaceae, with the common name Rocky Mountain Woodsia...
Physematium neomexicanum, the New Mexican cliff fern, is a fern species native to the Southwestern United States and northern Mexico. The core of its...
Physematium oreganum, the Oregon cliff fern, is a perennial fern in the family Woodsiaceae. This plant is native to a large part of the western and northern...
Physematium obtusum, the bluntlobe cliff fern, is a common rock fern of Appalachia and eastern North America. It prefers a calcareous substrate, but also...
Physematium indusiosum is a species of fern in the family Woodsiaceae. It is endemic to China. Its natural habitat is subtropical or tropical moist lowland...
lato. In PPG I, the family contained only one genus, Woodsia. In 2020, Physematium was split off from Woodsia on the basis of molecular phylogenetic evidence...
2016 (PPG I), it was the only genus in the family Woodsiaceae. In 2020, Physematium was split off from Woodsia on the basis of molecular phylogenetic evidence...
the Arkansas River Valley play host to scores of ferns, including the Physematium scopulinum and Adiantum (maidenhair fern) on Mount Magazine. Arkansas...
east-facing diabase cliffs, in association with other rare plants like: Physematium scopulinum (Rocky Mountain woodsia) and Asplenium trichomanes ssp. trichomanes...
idaeus), Idaho ragwort (Senecio rapifolius), and Rocky Mountain woodsia (Physematium scopulinum). There are no major threats to the species because it occurs...
three-toothed cinquefoil (Sibbaldia tridentata) and Rocky Mountain woodsia (Physematium scopulinum); other rare plants, such as bog bluegrass (Poa paludigena)...
lists these vascular plants as being threatened: Rocky Mountain woodsia (Physematium scopulinum ssp. laurentiana), there are few isolated populations in the...
struthiopteris, Phegopteris connectilis, Phyllitis scolopendrium, and Physematium obtusum. Other specimens of interest include Ononis natrix, Pleioblastus...
of the parents of the hybrid × Woodsimatium abbeae, the other being Physematium scopulinum. Its distribution is circumpolar. It is most abundant in Scandinavia...
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