Taxonomy: Fam. Compositae// Genus: Matricaria// Species: Matricaria discoidea DC.

Determined according to the botanical keys provided in Flora Europaea Vol. 4 (Tutin et al., 1976) as Chamomilla suaveolens (Pursh) Rydb. In the Euro+Med PlantBase (source: Greuter, 2006+) this name is considered a synonym of Matricaria discoidea DC.

Lifeform: Annual; Therophyte according to the Raunkiær system.

Distribution: Native from Subarctic America to U.S.A. Introduced in most of Temperate Eurasia, North Africa, Australia, Southeast Mexico according to the distribution information provided by the Plants of the World Online portal.

Habitat:  Open habitats on disturbed ground in the subalpine belt.

Flowering period: Summer (JUN,JUL, AUG).

Matricaria discoidea – habit. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – habit. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – habit. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – habit. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – habit. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – habit. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – habit. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – flowering stem with capitula. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – flowering stem with capitula. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – developing capitula. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – capitula. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – capitula. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – capitula. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – capitula. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – fruiting capitula. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – fruiting capitula. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – fruiting capitula. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – cauline leaves. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – cauline leaves. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea – cauline leaves. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.
Matricaria discoidea –lower cauline leaves. Osogovo- Ponikva, 24.07.2021. Photo by Trajche Dimitrovski.

References:

Matricaria discoidea DC. Plants of the World Online portal, Royal Botanic Gardens, Kew. http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:154716-2 [Accessed 10.08.2021].

Matricaria discoidea. 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. Published on the Internet http://ww2.bgbm.org/EuroPlusMed/PTaxonDetail.asp?NameId=123143&PTRefFk=7000000 [Accessed 10.08.2021].

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.