Taxon  Report   8492    
Oncosiphon piluliferum  (L. f.) Källersjö  
(no longer an active name; please see Oncosiphon pilulifer)
Oncosiphon piluliferum, a dicot, is an annual herb that is not native to California.
also called Oncosiphon pilulifer
There is a high risk of this plant becoming invasive in California according to Cal-IPC.
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
Observation Search
(1027 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Genus: Oncosiphon

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Communities: agricultural weed

Name Status:
Accepted by ICPN + PLANTS

JEF spelling variant of Oncosiphon pilulifer

Alternate Names:
ICPN: Oncosiphon piluliferus
ICPN + PLANTS: Matricaria globifera
NOTE: Oncosiphon piluliferum is no longer an active name.
More information about  Oncosiphon piluliferum

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]. 2021. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 17, 2021).