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Holly Fern
Polystichum lonchitis
About Holly Fern (Polystichum lonchitis) 0 Nurseries Carry This Plant Polystichum lonchitis is a species of fern known by the common name northern hollyfern, or simply holly-fern. It is native to much of the Northern Hemisphere from Eurasia to Alaska to Greenland and south into mountainous central North America. It grows in moist, shady, rocky mountain habitat. This fern produces several erect linear leaves up to 60 centimeters long. Each leaf is made up of many lance-shaped to oblong leaflets up to 3 or 4 centimeters long, the longest ones occurring distal to the midpoint of the leaf, the basal leaflets smaller and triangular in shape. The leaflets have toothed and often spiny edges. Media related to Polystichum lonchitis at Wikimedia Commons
Plant Description
Plant Type
Plant Type

Wildlife Supported

Butterflies & moths hosted ( 1 likely * ) SHOW ALL
Thallophaga taylorata Image
Thallophaga taylorataThallophaga taylorata

Landscaping Information
Full Sun, Part Shade

Natural Setting
Annual Precipitation: 21.8" - 128.1", Summer Precipitation: 0.28" - 4.34", Coldest Month: 29.1" - 51.1", Hottest Month: 50.6" - 69.1", Humidity: 0.53" - 20.32", Elevation: 340" - 8821"

Alternative Names
Common Names: Northern Holly Fern, Northern Holly-fern, Northern Hollyfern, Polystic Faux-lonchitis

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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