Vegetation Science Group

Department of Botany and Zoology | Faculty of Science | Masaryk University

Vegetation of the Czech Republic

Alliance LBA
Alnion incanae Pawłowski et al. 1928

The alliance Alnion incanae includes broad-leaved floodplain forests with Alnus incana in the mountains, Alnus glutinosa and Fraxinus excelsior at mid-altitudes, and the former two species together with Quercus robur, Ulmus laevis and U. minor in the broad floodplains of lowland rivers. In southern Moravia Fraxinus angustifolia can be added to this assemblage, occuring in lowland floodplain forests. Soils of these forests are usually flooded in spring for several days or weeks, but the water table recedes later in the growing season. These soils are rich in nutrients and productive.

Orig. (Pawłowski et al. 1928): Alnion incanae-Verband

Syn.: Alno-Padion Knapp ex Medwecka-Korna¶ in W. Matuszkiewicz et Borowik 1957, Alno-Ulmion Br.-Bl. et Tüxen ex Tchou 1948 p. p.

Diagnostic species: Acer pseudoplatanus, Alnus glutinosa, A. incana, Fraxinus excelsior, Prunus padus subsp. padus, Sambucus nigra; Aegopodium podagraria, Ajuga reptans, Anemone nemorosa, Athyrium filix-femina, Brachypodium sylvaticum, Carex remota, C. sylvatica, Chaerophyllum hirsutum, Chrysosplenium alternifolium, Circaea lutetiana, Festuca gigantea, Ficaria verna, Galeobdolon luteum agg., Geum urbanum, Impatiens noli-tangere, Pulmonaria officinalis agg., Ranunculus lanuginosus, Stachys sylvatica, Stellaria nemorum, Urtica dioica; Plagiomnium undulatum

Constant species: Alnus glutinosa, Fraxinus excelsior; Aegopodium podagraria, Ajuga reptans, Athyrium filix-femina, Deschampsia cespitosa, Festuca gigantea, Galeobdolon luteum agg., Geum urbanum, Impatiens noli-tangere, Oxalis acetosella, Senecio nemorensis agg., Stachys sylvatica, Stellaria nemorum, Urtica dioica; Plagiomnium undulatum

Source: Douda J. (2013): LBA Alnion incanae Pawłowski et al. 1928. In: Chytrę M. (ed.), Vegetace Èeské republiky. 4. Lesní a kűovinná vegetace [Vegetation of the Czech Republic 4. Forest and shrub vegetation]. Academia, Praha, pp. 198-200.