Determined to genus rank (Conyza) according to the botanical key provided in Flora Europaea Vol. 4 (Tutin et al., 1976), where this species was not included. The species was determined according to Vladimirov et al. (2016).
Distribution: Native from Mexico to South Tropical America according to 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, near and in urban areas.
Lifeform: Annual, therophyte according to the Raunkiaer system.
Flowering period: Summer- autumn: JUL, AUG, SEP.
Erigeron sumatrensis – habit. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – habit. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – habit. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – upper part of plant with synflorescence. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – upper part of plant with synflorescence. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – upper part of plant with synflorescence. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – upper part of plant with synflorescence. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – upper part of plant with synflorescence. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – synflorescence with capitula. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – synflorescence with capitula. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – capitula. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – capitula. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – capitula. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – flowering and fruiting capitula with achenes. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – flowering and fruiting capitula with achenes. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – stem with cauline leaves. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – stem with cauline leaves. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – stem with cauline leaves. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – cauline leaf. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis – cauline leaf. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Erigeron sumatrensis (left) compared to Erigeron canadensis (right) from the same habitat. Gorge of “Kochanska” River, 29.08.2021. Photo by Trajche Dimitrovski.Comparison of E. sumatrensis to the similar species E. canadensis and E. bonariensis. Photo by Trajche Dimitrovski.
References:
Vladimirov, V., Matevski, V., Bancheva, S., Delcheva, M., Kostadinovski, M. & Ćušterevska,R.: First report of Erigeron sumatrensis (Asteraceae) for the flora of the Republic of Macedonia. — Fl. Medit. 26: 203-207. 2016. — ISSN: 1120-4052 printed, 2240-4538 online. https://www.herbmedit.org/flora/FL26_203-208.pdf [Accessed 13.12.2020]
Osogovo nature 