Vegetation Science Group

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

Vegetation of the Czech Republic

Association TDE03
Lathyro palustris-Gratioletum officinalis Balátová-Tuláčková 1966

Lathyro palustris-Gratioletum officinalis

Photo on botanickafotogalerie.cz

This association occupies shallow depressions and habitats with impeded outflow of flood waters in the floodplains of the Dyje and Morava rivers in the dry region of southern Moravia. Spring floods may last for several weeks and the habitat remains wet for a rather long period after the flood water retreat. This favours moisture-demanding species, some of which are otherwise typical of tall-sedge stands. However, owing to the dry local climate soils dry out in late summer. Such conditions support the occurrence of several species with continental distribution. Inter-annual variation in moisture influences the proportions of different dominant species.

Orig. (Balátová-Tuláčková 1966): Lathyrus paluster-Gratiola officinalis-ass.

Syn.: Juncetum atrati Vicherek in Balátová-Tuláčková 1969 prov., Carici vulpinae-Alopecuretum (Kovács et Máthé 1967) Soó 1971 corr. Borhidi 1996

Diagnostic species: Allium angulosum, Cardamine pratensis agg. (predominantly C. matthioli), Carex acuta, C. melanostachya, C. praecox, C. vulpina, Cnidium dubium, Eleocharis uniglumis, Galium palustre agg., Gratiola officinalis, Inula britannica, I. salicina, Iris pseudacorus, I. sibirica, Lathyrus palustris, Lotus tenuis, Lysimachia nummularia, Lythrum virgatum, Odontites vernus, Phalaris arundinacea, Poa palustris, Potentilla reptans, Pseudolysimachion maritimum, Pulegium vulgare, Rumex crispus, Senecio erraticus, Serratula tinctoria, Silaum silaus, Sium latifolium, Symphytum officinale, Trifolium hybridum; Leptodictyum riparium

Constant species: Allium angulosum, Alopecurus pratensis, Cardamine pratensis agg. (predominantly C. matthioli), Carex acuta, C. vulpina, Centaurea jacea, Eleocharis uniglumis, Galium palustre agg., Gratiola officinalis, Iris pseudacorus, Lychnis flos-cuculi, Lysimachia nummularia, Odontites vernus, Phalaris arundinacea, Plantago lanceolata, Poa palustris, P. trivialis, Potentilla reptans, Prunella vulgaris, Pulegium vulgare, Ranunculus auricomus agg., R. repens, Rumex crispus, Sanguisorba officinalis, Serratula tinctoria, Symphytum officinale, Trifolium hybridum; Leptodictyum riparium

Dominant species: Alopecurus pratensis, Deschampsia cespitosa, Phalaris arundinacea

Formal definition: Group Lathyrus palustris NOT Cirsium canum cover > 25 %

Source: Šumberová K. (2007): TDE03 Lathyro palustris-Gratioletum officinalis Balátová-Tuláčková 1966. In: Chytrý M. (ed.), Vegetace České republiky. 1. Travinná a keříčková vegetace [Vegetation of the Czech Republic. 1. Grassland and Heathland Vegetation]. Academia, Praha, pp. 229-232.