Conyza canadensis (L.) Cronquist

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Conyza canadensis

Photo: Bart Wursten
Haka Game Park, Cleveland Dam

Conyza canadensis

Photo: Bart Wursten
Haka Game Park, Cleveland Dam

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Synonyms: Erigeron canadensis L.
Erigeron floribundus (Kunth) Sch.Bip.
Common names: Canadian fleabane (English)
Erect annual herb. Stems simple or sparingly-branched, up to 1.2 m. Leaves linear to linear-lanceolate. Inflorescence a large terminal compound panicle. Capitula numerous, small, funnel-shaped with minute white ray-florets and yellow disk-florets.
Derivation of specific name: canadensis: of Canada
Altitude range:
Flowering time:
Worldwide distribution: Originating from temperate North America, but now a widespread weed.
Mozambique distribution: Z,MS,GI,M
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species: Hyalites rahira rahira (Food plant)
Spot characters: Display spot characters for this species

Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 16.

Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 24.

Wild, H. (1955). Common Rhodesian Weeds Government of Rhodesia, Salisbury Page 68. as Erigeron floribundus (Includes a picture).

Wild, H. (1975). The Compositae of the Flora Zambesiaca area. 4. Astereae. Kirkia 10(1) Pages 41 - 42.

Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 88.

Other sources of information about Conyza canadensis:

Our websites:

Flora of Malawi: Conyza canadensis
Flora of Zambia: Conyza canadensis
Flora of Zimbabwe: Conyza canadensis

External websites:

African Plants: A Photo Guide (Senckenberg): Conyza canadensis
African Plant Database: Conyza canadensis
BHL (Biodiversity Heritage Library): Conyza canadensis
EOL (Encyclopedia of Life): Conyza canadensis
ePIC (electronic Plant Information Center): Conyza canadensis
Flora Zambesiaca web site: Conyza canadensis
GBIF (Global Biodiversity Information Facility): Conyza canadensis
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Conyza canadensis
iNaturalist: Conyza canadensis
IPNI (International Plant Names Index): Conyza canadensis
JSTOR Plant Science: Conyza canadensis
Kew Herbarium catalogue: Conyza canadensis
Mansfeld World Database of Agricultural and Horticultural Crops: Conyza canadensis
Plants of the World Online: Conyza canadensis
Tropicos: Conyza canadensis
Wikipedia: Conyza canadensis

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave 2007-20

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2020). Flora of Mozambique: Species information: Conyza canadensis., retrieved 1 November 2020

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