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Crepis modocensis
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Modoc Hawksbeard
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Crepis modocensis

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About Modoc Hawksbeard (Crepis modocensis) Crepis modocensis is a species of flowering plant in the daisy family known by the common name Modoc hawksbeard. It is native to western North America from British Columbia to California to Colorado, where it grows in several types of mountain and plateau habitat, including sagebrush. It is a perennial herb growing an erect stem up to 45 centimeters tall and often lined with long bristles. The woolly and sometimes bristly leaves are dark-veined and edged with blunt and sharp lobes. The longest leaves at the base of the plant reach about 25 centimeters long. The flower cluster bears one to ten flower heads with rough or bristly phyllaries and up to 60 yellow ray florets. The fruit is an achene around a centimeter long which is black in color, sometimes green or red tinted, and sports a tufty white pappus. There are several subspecies of this plant. The ssp. glareosa is endemic to Kittitas County, Washington.
Plant Description
Plant Type
Perennial herb

Max. Height
0.8 - 1.5 ft (0.24 - 0.46 m)


Growth Rate

Flower Color

Flowering Season

Native Status

Natural Setting
Site Type
Open dry mountain slopes


Elevation ?
2432' - 9831'

Annual Precip. ?
9.1" - 87.3"

Summer Precip. ?
0.56" - 2.61"

Coldest Month ?
25.1° F - 41.9° F

Hottest Month ?
46.0° F - 66.1° F

Humidity ?
0.49 vpd - 20.55 vpd

Soil Description
Adaptable, tolerant of sand, loam and clay

Landscaping Information
Nursery Availability
Never or Almost Never Available

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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