Taxon  Report   8965 
Monolopia congdonii  (Gray) B.G. Baldwin
San joaquin woollythreads
Monolopia congdonii
© 2010 Kelly Bougher
Click on a photo to see it bigger.
Monolopia congdonii, a dicot, is an annual herb that is native to California and is endemic (limited) to California.
CNPS Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

It is listed by the Federal Government as Endangered .

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Monolopia congdonii
© 2010 Neal Kramer
Genus: Monolopia
Shadscale Scrub, Valley Grassland
Wetlands: Occurs usually in non wetlands, occasionally in wetlands
Distribution by County 

Add an Observation of  Monolopia congdonii

Name Status:
Accepted by TJM2 + CNPS + PLANTS
Alternate Names:
(according to)

TJM2 + PLANTS: Eatonella congdonii
TJM2 + CNPS + PLANTS: Lembertia congdonii
More information about  Monolopia congdonii
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images

Jepson eFlora

Records from the Consortium of California Herbaria


Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Mar 18, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.