Taxonomy: Fam. Compositae// Genus: Ambrosia// Species: Ambrosia artemisiifolia L.
Determined according to the botanical keys provided by Hansen (1976 in Tutin et al.).
Lifeform: Perennial; Hemicryptophyte according to the Raunkiær system.
Distribution: Native from Subarctic America to U.S.A. and introduced worldwide according to the Plants of the World Online portal (Royal Botanic Gardens, Kew).
Habitat: Roadsides and disturbed ground. The plant is not native to the Osogovo region and it is found only as a ruderal plant.
Flowering period: Summer – autumn: AUG, SEP.
Ambrosia artemisiifolia – habit. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – habit. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – habit. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – habit. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – habit. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – habit. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – upper part of plant with synforescence. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – upper part of plant with synforescence. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – female capitula. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – female capitula. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – female capitula. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – female capitula. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – female capitula. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – female capitula. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – female and male capitula. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – male capitula. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – male capitula. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – male capitula. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – male capitula. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – male capitula. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – male capitula. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – stem with leaves. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – stem with leaves. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – stem with leaves. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – leaf. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – adaxial side of leaf. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – abaxial side of leaf. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – fruiting female capitula. Gorge of “Kochanska” River near lake “Gradche”, 08.09.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – habit. Gorge of “Kochanska” River near lake “Gradche”, 06.08.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – habit. Gorge of “Kochanska” River near lake “Gradche”, 06.08.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – habit. Gorge of “Kochanska” River near lake “Gradche”, 06.08.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – habit. Gorge of “Kochanska” River near lake “Gradche”, 06.08.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – upper part of plant with developing synflorescence. Gorge of “Kochanska” River near lake “Gradche”, 06.08.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – upper part of plant with developing synflorescence. Gorge of “Kochanska” River near lake “Gradche”, 06.08.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – developing synflorescence. Gorge of “Kochanska” River near lake “Gradche”, 06.08.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – developing synflorescence. Gorge of “Kochanska” River near lake “Gradche”, 06.08.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – developing inflorescence. Gorge of “Kochanska” River near lake “Gradche”, 06.08.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – developing inflorescence. Gorge of “Kochanska” River near lake “Gradche”, 06.08.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – stem with leaves. Gorge of “Kochanska” River near lake “Gradche”, 06.08.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – stem with leaves. Gorge of “Kochanska” River near lake “Gradche”, 06.08.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – leaves. Gorge of “Kochanska” River near lake “Gradche”, 06.08.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – adaxial side of leaf. Gorge of “Kochanska” River near lake “Gradche”, 06.08.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – abaxial side of leaf. Gorge of “Kochanska” River near lake “Gradche”, 06.08.2023. Photo by Trajche Dimitrovski.Ambrosia artemisiifolia – stem. Gorge of “Kochanska” River near lake “Gradche”, 06.08.2023. Photo by Trajche Dimitrovski.
Hansen, A. 1976. Ambrosia L. In Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A. (eds.), Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae). Cambridge: Cambridge University Press, pp. 142–143.
