Hemizonia congesta DC. ssp. congesta
Hayfield tarweed
2021 R.A. Chasey
2021 R.A. Chasey
2019 Talila Golan
2019 Talila Golan
2001 Doreen L. Smith
2021 R.A. Chasey
2021 R.A. Chasey
2011 Zoya Akulova
2015 John Doyen
2015 Vernon Smith
2021 R.A. Chasey
Hemizonia congesta ssp. congesta is an
annual herb that is
native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere ).
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
one or more occurrences within a 7.5-minute quadrangle
Bloom Period
Name Status :
Accepted by JEF + CNPS + PLANTS
Alternate Names:
JEF + CNPS Hemizonia congesta ssp. leucocephala
JEF Hemizonia congesta ssp. vernalis
CNPS Hemizonia congesta
PLANTS Hemizonia lutescens
PLANTS Hemizonia luzulifolia var. lutescens
...
Information about
Hemizonia congesta ssp. congesta
from other sources
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2021 R.A. Chasey:!2021 R.A. Chasey:!2019 Talila Golan:!2019 Talila Golan:!2001 Doreen L. Smith:!2021 R.A. Chasey:!2021 R.A. Chasey:!2011 Zoya Akulova:!2015 John Doyen:!2015 Vernon Smith:!2021 R.A. Chasey:!
mg142232:!mg142232:!gp18735:!gp18735:!null:!mg142232:!mg142232:!null:!null:!null:!mg142232:!
Suggested Citation
Calflora :
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2023. Berkeley, California:
The Calflora Database
[a non-profit organization].
Available:
https://www.calflora.org/
(Accessed: 05/31/2023).