Calflora Taxon Report
Hemizonia parryi  Greene  ssp. congdonii  (B. L. Rob. & Greenm.) D. D. Keck

(not an active name)
Congdon's tarplant,   Congdon's tarweed,   Parry spikeweed
Hemizonia parryi ssp. congdonii is an annual herb that is native to California, and endemic (limited) to California.
also called Centromadia parryi ssp. congdonii
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
DJJJASONAFMM

Bloom Period
Parent: Hemizonia parryi
Genus: Hemizonia
Family: Asteraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Wetlands:
Arid West: Occurs usually in wetlands, occasionally in non wetlands
Mountains, Valleys and Coast: Equally likely to occur in wetlands and non wetlands

Communities: Valley Grassland

Name Status:

Alternate Names:
JEF + CNPS + PLANTSCentromadia parryi ssp. congdonii
Information about Hemizonia parryi ssp. congdonii from other sources
Nursery availability from CNPLX
Commercial availability unknown.

USDA PLANTS Profile (CEPAC)

Photos on Calflora

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Google Images

Photos on iNaturalist

ID Tips on PlantID.net

Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

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