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Mountain Hollyfern
Polystichum scopulinum
  
0 Nurseries Carry This Plant

About Mountain Hollyfern (Polystichum scopulinum) 0 Nurseries Carry This Plant Polystichum scopulinum is a species of fern known by the common names mountain hollyfern and rock sword fern. It is native to much of western North America, and it is known from disjunct occurrences in eastern Canada, as well. 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. 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.
Plant Description
Plant Type
Plant Type
Fern

Wildlife Supported
 


 
Butterflies & moths hosted ( 2 likely * ) SHOW ALL
*
Decantha boreasella Image
Reticulated Decantha Moth Decantha boreasellaDecantha boreasella
*
Thallophaga taylorata Image
Thallophaga taylorataThallophaga taylorata

Landscaping Information
Sun
Sun
Full Sun, Part Shade

Natural Setting
Climate
Climate
Annual Precipitation: 13.4" - 114.2", Summer Precipitation: 0.43" - 4.24", Coldest Month: 10.8" - 49.4", Hottest Month: 34.1" - 71.6", Humidity: 1.29" - 22.20", Elevation: 1477" - 14090"

Alternative Names
Common Names: Holly Fern, Rock Sword Fern


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Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora


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