Calflora
Taxon  Report   8492    
Oncosiphon piluliferum  (L. f.) Källersjö
Stinknet
Oncosiphon piluliferum
© 2003 Dean Wm. Taylor
Photos from
CalPhotos / Calflora
Oncosiphon piluliferum
© 2017 Brooke Stutz
Oncosiphon piluliferum
© 2018 Ron Vanderhoff
Oncosiphon piluliferum, a dicot, is an annual herb that is not native to California. There is a high risk of this plant becoming invasive in California according to Cal-IPC.

Interactive Distribution Map


Observation Hotline
(observation details)



point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations



Bloom Period
Oncosiphon piluliferum
© 2017 Erin Andreatta
Family: ASTERACEAE  
Genus: Oncosiphon
Communities: agricultural weed

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
ICPN: Oncosiphon piluliferus
ICPN + PLANTS: Matricaria globifera
More information about  Oncosiphon piluliferum
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation

USDA PLANTS Profile (ONPI)

Search the International Plants Names Index

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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Jan 16, 2019).