Calflora
Taxon  Report   9621    
Packera layneae  (Greene) W. A. Weber & Á. Löve
Layne's ragwort
Packera layneae
© 2011 Steven Perry
Photos from
CalPhotos / Calflora
Packera layneae
© 2011 Steven Perry
Packera layneae
© 2002 Steve Tyron
Packera layneae, a dicot, is a perennial herb that is native to California, is endemic (limited) to California.
also called Senecio layneae
CNPS Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

It is listed by the State of California as Rare and by the Federal Government as 'Threatened '.

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
Packera layneae
© 2011 Steven Perry
Family: ASTERACEAE  
Genus: Packera
Communities: Chaparral, Foothill Woodland

Toxicity: MINOR, DERMATITIS

Serpentine affinity: 4.9; (broad endemic)

Name Status:
Accepted by JEF + CNPS + PLANTS

Alternate Names:
ICPN + CNPS + PLANTS: Senecio layneae
More information about  Packera layneae
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

USDA PLANTS Profile (PALA41)

Search efloras.org (Flora of North America)

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: https://www.calflora.org/   (Accessed: Nov 17, 2018).

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