Polystichum scopulinum is a species of fern known by the common names mountain hollyfern[1] and rock sword fern.[2] It is native to much of western North America, and it is known from disjunct occurrences in eastern Canada as well.[2] It grows in rocky habitat, often in full sun. It is widespread but mostly found in small populations, and is noted to be most abundant on serpentine soils.[2] This fern produces several erect, narrowly lance-shaped leaves up to 50 centimeters in length. The leaves narrow near the bases. Each leaf is divided into many lance-shaped or oblong leaflets up to 3 centimeters long. The toothed leaflets are sometimes twisted on their axes and overlapping.
^USDA, NRCS (n.d.). "Polystichum scopulinum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 12 October 2015.
^Moreroa, R.E., Deannaa, R., Barboza, G.E., Barrington, D.S. 2019. Historical biogeography of the fern genus Polystichum (Dryopteridaceae) in Austral South America. Molecular Phylogenetics and Evolution 137 (2019) 168–189. doi 10.1016/j.ympev.2019.05.004
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polystichum, scopulinum, species, fern, known, common, names, mountain, hollyfern, rock, sword, fern, native, much, western, north, america, known, from, disjunct, occurrences, eastern, canada, well, grows, rocky, habitat, often, full, widespread, mostly, foun. Polystichum scopulinum is a species of fern known by the common names mountain hollyfern 1 and rock sword fern 2 It is native to much of western North America and it is known from disjunct occurrences in eastern Canada as well 2 It grows in rocky habitat often in full sun It is widespread but mostly found in small populations and is noted to be most abundant on serpentine soils 2 This fern produces several erect narrowly lance shaped leaves up to 50 centimeters in length The leaves narrow near the bases Each leaf is divided into many lance shaped or oblong leaflets up to 3 centimeters long The toothed leaflets are sometimes twisted on their axes and overlapping Polystichum scopulinum Conservation status Apparently Secure NatureServe Scientific classification Kingdom Plantae Clade Tracheophytes Division Polypodiophyta Class Polypodiopsida Order Polypodiales Suborder Polypodiineae Family Dryopteridaceae Genus Polystichum Species P scopulinum Binomial name Polystichum scopulinum D C Eaton Maxon P scopulinum is probably a fertile allotetraploid with Polystichum munitum as one parent 3 4 References edit USDA NRCS n d Polystichum scopulinum The PLANTS Database plants usda gov Greensboro North Carolina National Plant Data Team Retrieved 12 October 2015 a b c Flora of North America The Jepson Herbarium Moreroa R E Deannaa R Barboza G E Barrington D S 2019 Historical biogeography of the fern genus Polystichum Dryopteridaceae in Austral South America Molecular Phylogenetics and Evolution 137 2019 168 189 doi 10 1016 j ympev 2019 05 004External links editJepson Manual Treatment USDA Plants Profile Washington Burke Museum Photo gallery nbsp This Dryopteridaceae related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Polystichum scopulinum amp oldid 1194206954, wikipedia, wiki, book, books, library,
