Taxonomy: Fam. Compositae// Genus:  Achillea// Species: Achillea grandifolia Friv.

Determined according to the botanical key provided in Flora Europaea Vol. 4 (Tutin et al., 1976).

Lifeform: Perrenial; hemicryptophyte according to the Raunkiær system.

Distribution: Native to the Balkan Peninsula and Asiatic Turkey according to the distribution information provided by The Euro+Med PlantBase (source: Greuter, 2006+).

Habitat:  Mixed oak forests (Querco-carpinetum macedonicum assosiation).

Flowering period: End of spring – beginning of summer summer; (MAY-) JUN.

Achillea grandifolia - habit. Osogovo, Lake "Gradche", 03.06.2021. Photo by Trajche Dimitrovski.
Achillea grandifolia - habit. Osogovo, Lake "Gradche", 03.06.2021. Photo by Trajche Dimitrovski.
Achillea grandifolia - stem with inflorescence. Osogovo, Lake "Gradche", 03.06.2021. Photo by Trajche Dimitrovski.
Achillea grandifolia - inflorescence. Osogovo, Lake "Gradche", 03.06.2021. Photo by Trajche Dimitrovski.
Achillea grandifolia - inflorescence. Osogovo, Lake "Gradche", 03.06.2021. Photo by Trajche Dimitrovski.
Achillea grandifolia - capitulums. Osogovo, Lake "Gradche", 03.06.2021. Photo by Trajche Dimitrovski.
Achillea grandifolia - cauline leaves. Osogovo, Lake "Gradche", 03.06.2021. Photo by Trajche Dimitrovski.

References:

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.

Achillea grandifolia Friv. 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?NameCache=Achillea%20grandifolia&PTRefFk=7000000 [Accessed 01.07.2021].