E-Flora BC: Electronic Atlas of the Flora of British Columbia

Conyza bonariensis (L.) Cronquist
hairy horseweed
Asteraceae (Aster family)

Introduction to Vascular Plants

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Distribution of Conyza bonariensis
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Introduction

South American weed much like Conyza canadensis, but sturdier looking. A single plant was collected once by the sidewalk by a brewery in New Westminster. (Lomer 96-139 @ UBC). Ephemeral. Not in the Illustrated Flora of BC, not part of the flora of British Columbia.

Note Author: Frank Lomer, Honourary Research Associate, University of British Columbia Herbarium

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
	Unlisted	Non-established	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer, the authoritative source for conservation information in British Columbia.

Taxonomic and Nomenclatural Links

Flora North America treatment for Asteraceae
Flora North America treatment for Conyza bonariensis
Genetic information (NCBI Taxonomy Database)
International Plant Names Index
Taxonomic Information from the World Flora Online
Integrated Taxonomic Information System

Additional Range and Status Information Links

Burke Museum of Natural History (Washington State records)
CalFlora
Consortium of Pacific Northwest Herbaria records
Jepson Interchange
NatureServe Explorer
USDA

Additional Photo Sources

Images From CalPhoto
UT Austin's Native Plant Database
Google Image Search
Flickr Image Search

General References

Google Scholar Search
Family References
General Botanical References for BC

Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-05-12 8:19:59 PM ]

Disclaimer: The information contained in the E-Flora atlas pages is derived from expert sources as cited in each section. This information is scientifically based. E-Flora also acts as a portal to other sites via deep links. As always, users should refer to the original sources for complete information. E-Flora BC is not responsible for the accuracy or completeness of the original information.