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 neomexicanum, the New Mexican cliff fern, is a fern species native to the Southwestern United States and northern Mexico. The core of its...

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 indusiosum is a species of fern in the family Woodsiaceae. It is endemic to China. Its natural habitat is subtropical or tropical moist lowland...

Physematium scopulinum, also called Woodsia scopulina, is a deciduous perennial fern in the family Woodsiaceae, with the common name Rocky Mountain Woodsia...

Physematium obtusum, the bluntlobe cliff fern, is a common rock fern of Appalachia and eastern North America. It prefers a calcareous substrate, but also...

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...

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...

the Arkansas River Valley play host to scores of ferns, including the Physematium scopulinum and Adiantum (maidenhair fern) on Mount Magazine. Arkansas...

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...

idaeus), Idaho ragwort (Senecio rapifolius), and Rocky Mountain woodsia (Physematium scopulinum). There are no major threats to the species because it occurs...

struthiopteris, Phegopteris connectilis, Phyllitis scolopendrium, and Physematium obtusum. Other specimens of interest include Ononis natrix, Pleioblastus...

east-facing diabase cliffs, in association with other rare plants like: Physematium scopulinum (Rocky Mountain woodsia) and Asplenium trichomanes ssp. trichomanes...

furbishiae — Furbish's lousewort Phacelia ramosissima — branched phacelia Physematium obtusum — blunt-lobed woodsia Plantago cordata — heart-leaved plantain...

Gymnocarpium x intermedium Physematium oreganum — western cliff fern Physematium obtusum — bluntlobe woodsia Physematium scopulinum — Rocky Mountain...

the pine flatwoods of southeast Georgia G5 - secure Dryopteridaceae Physematium obtusum: 15  Common Woodsia, Blunt-lobed woodsia, Cliff fern State-wide...

three-toothed cinquefoil (Sibbaldia tridentata) and Rocky Mountain woodsia (Physematium scopulinum); other rare plants, such as bog bluegrass (Poa paludigena)...

may include Lupinus sulphureus, Erigeron linearis, Phlox longifolia, Physematium oreganum, Balsamorhiza sagittata, Lomatium dissectum, Lithophragma bulberifera...

Dennstaedtia paucirrhiza Dennstaedtia tryoniana Hecistopteris pinnatifida Physematium indusiosum Pteris albersii Pteris incompleta, Laurisilva brake Hymenophyllum...

Polystichum acrostichoides (Michx.) Schott - Christmas fern [M, R, We, Wo] Physematium obtusum (Sprengel) Torrey - Blunt-lobed woodsia [Wo] Ophioglossaceae...

filix-femina) Phillips' cliff fern (Woodsia phillipsii) Plummer's cliff fern (Physematium plummerae) Reeves' bladderfern (Cystopteris reevesiana) chestnut dioon...

of the parents of the hybrid × Woodsimatium abbeae, the other being Physematium scopulinum. Its distribution is circumpolar. It is most abundant in Scandinavia...

lists these vascular plants as being threatened: Rocky Mountain woodsia (Physematium scopulinum ssp. laurentiana), there are few isolated populations in the...

pubescens var. pubescens (N) Physalis virginiana var. virginiana (N) Physematium obtusum ssp. obtusa (N) Physocarpus opulifolius var. intermedius (N)...

pubescens var. pubescens (N) Physalis virginiana var. virginiana (N) Physematium obtusum ssp. obtusa (N) Physocarpus opulifolius var. intermedius (N)...