Vegetation Science Group

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

Vegetation of the Czech Republic

Association VDC03
Scorpidio scorpioidis-Utricularietum Ilschner ex Müller et Görs 1960

Scorpidio scorpioidis-Utricularietum

Photo on botanickafotogalerie.cz

This vegetation type is dominated by submerged mosses of the family Amblystegiaceae, especially Pseudo-calliergon trifarium. Scorpidium cossonii and S. scorpioides, combined with Utricularia minor, and rarely also U. intermedia. It occurs in shallow hollows with mesotrophic to oligotrophic and calcium-rich water in fens and other peatlands, and in the course of succession it develops towards minerotrophic mires. In the Czech Republic it occurs rarely in precipitation-rich basins and montane areas that are rich in mires.

Orig. (Müller & Görs 1960): Scorpidio-Utricularietum (Ilschner 59 mskr.) Müller et Görs (Scorpidium scorpioides, Utricularia minor. U. ochroleuca)

Syn.: Utricularietum intermedio-minoris Krausch 1968

Diagnostic species: Carex demissa, C. panicea. C. rostrata. Drosera rotundifolia, Eleocharis quinqueflora, Equisetum fluviatile. Eriophorum angustifolium, Juncus bulbosus, Menyanthes trifoliata, Parnassia palustris. Rhynchospora alba. Triglochin palustris. Utricularia intermedia, U. minor; Aneura pinguis, Campylium stellatum, Pseudo-calliergon trifarium, Scorpidium revolvens s. l. (S. cossonii), S. scorpioides, Sphagnum contortum, Warnstorfia exannulata

Constant species: Carex demissa, C. panicea, C. rostrata. Drosera rotundifolia. Equisetum fluviatile, Eriophorum angustifolium, Juncus articulatus. J. bulbosus. Menyanthes trifoliata, Utricularia minor; Aneura pinguis, Campylium stellatum, Pseudo-calliergon trifarium. Scorpidium revolvens s. l. (S. cossonii), S. scorpioides, Sphagnum contortum

Dominant species: Campylium stellatum, Scorpidium revolvens s. l. (S. cossonii), S. scorpioides

Formal definition: Group Utricularia minor NOT Carex lasiocarpa cover > 5 % NOT Rhynchospora alba cover > 5 % NOT Rhynchospora fusca cover > 5 % NOT Sphagnum sp. cover > 5 %

Source: Navrátilová J. & Hájek M. (2011): VDC03 Scorpidio scorpioidis-Utricularietum Ilschner ex Müller et Görs 1960. In: Chytrý M. (ed.), Vegetace České republiky. 3. Vodní a mokřadní vegetace [Vegetation of the Czech Republic 3. Aquatic and wetland vegetation]. Academia, Praha, pp. 305-308.