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Parish's Daisy
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Erigeron parishii
  

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About Parish's Daisy (Erigeron parishii) Erigeron parishii is a species of flowering plant in the daisy family known by the common name Parish's fleabane. Erigeron parishii is native to San Bernardino County and Riverside County in southern California. It is a federally-listed threatened species losing habitat to development and the limestone mining industry on the north slope of the San Bernardino Mountains. Erigeron parishii is a small perennial herb reaching a maximum height of about 30 centimeters(12 inches). The taproot can penetrate the carbonate soils to a depth of 50 cm (20 inches). Its stem and foliage are covered in silvery-white hairs and most of the leaves are basal and measure 3 to 6 centimeters long (2. 4-2. 4 inches). The erect stems have inflorescences of one to ten flower heads, each between one and two centimeters (0. 4-0. 8 inches) wide. The flower head has a center of golden yellow disc florets and a fringe of up to 55 lavender, pink, or white ray florets. Ecology. Erigeron parishii usually grows on limestone substrates, or granite topped with a layer of limestone. It apparently requires very alkaline soils. The same rock that the plant favors is also sought after for human use and limestone mining is the most significant threat to its habitat. Erigeron parishii has a relatively high genetic diversity for a narrow endemic, a measure that will decrease with the habitat fragmentation that currently threatens it.
Plant Description
Plant Type
Perennial herb

Native Status
Natural Setting
Elevation ?
3267' - 7439'

Annual Precip. ?
6.3" - 25.8"

Summer Precip. ?
0.75" - 3.12"

Coldest Month ?
35.2° F - 48.8° F

Hottest Month ?
61.7° F - 77.8° F

Humidity ?
3.00 vpd - 29.37 vpd

Landscaping Information
Common uses
Bee Gardens

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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