Erigeron canadensis L. (Conyza canadensis (L.) Chronq.)

Taxonomy: Fam. Compositae// Genus: Erigeron// Species: Erigeron canadensis Retz.

Determined according to the botanical key provided in Flora Europaea Vol. 4 (Tutin et al., 1976) as Conyza canadensis (L.) Chronq. (syn. Erigeron canadensis L.) The accepted name in The Euro+Med PlantBase (source: Greuter, 2006+) is Erigeron canadensis L.

Distribution: Native from North to South America according to the distribution information provided by the Plants of the World Online portal (Royal Botanic Gardens, Kew). Introduced elsewhere.

Habitat: Disturbed ground, alongside roads and paths, near orchards, gardens and cultivated land, waste places, near and in settlements.

Lifeform: Annual, therophyte according to the Raunkiaer system.

Flowering period: Summer- autumn: AUG, SEP.

References:

Erigeron canadensis. Greuter, W. (2006+): Compositae (pro parte majore). – In: Greuter, W. & Raab-Straube, E. von (ed.): Compositae. Euro+Med Plantbase – the information resource for Euro-Mediterranean plant diversity. http://ww2.bgbm.org/EuroPlusMed/PTaxonDetail.asp?NameCache=Erigeron%20canadensis&PTRefFk=7000000 [Accessed 29.11.2021].

Erigeron canadensis L. Plants of the World Online, Royal Botanic Gardens Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:203653-1 [Accessed 30.11.2021].

Tutin, T.G., Heywood, V.H., Burges, N.A., Moore, D.M., Valentine, D.H., Walters, S.M. & Webb, D.A. (1976). Flora Europaea. Volume 4: Plantaginaceae to Compositae (and Rubiaceae). Cambridge: Cambridge University Press.