Determined according to the botanical key provided in The Flora of the Republic of Macedonia (Micevski, 1993).
Distribution: Native from Europe to West Siberia (Russia) and Iran; North Africa according to the distribution information provided by the Plants of the World Online portal (Royal Botanic Gardens, Kew).
Habitat: Alongside rivers- riparian vegetation.
Lifeform: Perennial, tree; mesophanerophyte according to the Raunkiær system.
Flowering period: Spring.
Alnus glutinosa – habit (left) and crown with branches and twigs (right). Osogovo, “Shtalkovichka” River near village of Shtalkovica, 16.08.2020. Photo by Trajche Dimitrovski.Alnus glutinosa – twigs with leaves and fruits. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 16.08.2020. Photo by Trajche Dimitrovski.Alnus glutinosa – twigs with leaves. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 16.08.2020. Photo by Trajche Dimitrovski.Alnus glutinosa – leaves. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 16.08.2020. Photo by Trajche Dimitrovski.Alnus glutinosa – fruiting catkins. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 16.08.2020. Photo by Trajche Dimitrovski.Alnus glutinosa – fruiting catkins. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 16.08.2020. Photo by Trajche Dimitrovski.Alnus glutinosa – fruiting catkins with dehisced nutlets from the previous season. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 16.08.2020. Photo by Trajche Dimitrovski.Alnus glutinosa – tree crown seen from below. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 16.08.2020. Photo by Trajche Dimitrovski.Alnus glutinosa – tree trunks with branches. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 16.08.2020. Photo by Trajche Dimitrovski.
References:
Micevski, K. (1993). The Flora of the Republic of Macedonia Vol. 1, Book 2. Macedonian Academy of Sciences and Arts.
Osogovo nature 