Vegetation Science Group

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

Vegetation of the Czech Republic

Association XBA01
Caucalido platycarpi-Conringietum orientalis Klika 1936

Caucalido platycarpi-Conringietum orientalis

Photo on botanickafotogalerie.cz

This rare association occupies the warmest and base-richest habitats of all Caucalidion associations in the Czech Republic. It usually grows in winter cereal fields on flat land or gentle south-facing slopes over limestone or loess. It contains several rare species of southern and south-eastern distribution which are declining in central Europe. It develops from late spring to early summer.

Nomen mutatum propositum

Orig. (Klika 1936): Caucalis daucoides-Conringia orientalis-Assoziation (Caucalis daucoides = C. platycarpos)

Syn.: Caucalido daucoidis-Torilidetum arvensis Malcuit 1929 (§ 2b, nomen nudum), Caucalido-Scandicetum pecten-veneris Libbert 1930 (§ 2b, nomen nudum), Caucalido daucoidis-Scandicetum pecten-veneris Tüxen 1937, Lathyretum aphacae Kuhn 1937, Lathyro aphacae-Silenetum noctiflorae Kuhn 1937, Camelino microcarpae-Euphorbietum falcatae Tüxen 1950, Caucalido latifoliae-Adonidetum flammeae Tüxen 1950, Caucalido-Adonidetum Tüxen ex Oberdorfer 1957

Diagnostic species: Adonis aestivalis, Aethusa cynapium s. l. (predominantly A. cynapium s. str.), Ajuga chamaepitys. Anagallis arvensis, A. foemina, Avena fatua, Bifora radians, Bupleurum rotundifolium. Camelina microcarpa. Campanula rapunculoides, Caucalis platycarpos, Cerinthe minor, Conringia orientalis, Consolida regalis, Convolvulus arvensis, Euphorbia exigua, E. falcata. Fallopia convolvulus. Fumaria vaillantii. Galium spurium, G. tricornutum, Lathyrus tuberosus, Medicago lupulina, Neslia paniculata, Papaver rhoeas. Polygonum aviculare agg. (predominantly P. aviculare s. str.), Sherardia arvensis. Silene noctiflora. Sinapis arvensis. Sonchus asper. Thlaspi arvense. Veronica persica. Viola arvensis; Tortula muralis

Constant species: Adonis aestivalis, Anagallis arvensis, Atriplex patula. Avena fatua. Bifora radians. Campanula rapunculoides. Caucalis platycarpos. Chenopodium album agg., Cirsium arvense. Conringia orientalis. Consolida regalis. Convolvulus arvensis. Elytrigia repens. Euphorbia exigua, Fallopia convolvulus, Lathyrus tuberosus. Medicago lupulina. Neslia paniculata. Papaver rhoeas, Polygonum aviculare agg. (predominantly P. aviculare s. str.), Silene noctiflora. Sinapis arvensis. Thlaspi arvense. Veronica persica, Viola arvensis

Dominant species: Euphorbia exigua, Sinapis arvensis

Formal definition: Group Caucalis platycarpos NOT Veronica hederifolia agg. cover > 15 %

Source: Lososová Z. (2009): XBA01 Caucalido platycarpi-Conringietum orientalis Klika 1936. In: Chytrý M. (ed.), Vegetace České republiky. 2. Ruderální, plevelová, skalní a su»ová vegetace [Vegetation of the Czech Republic 2. Ruderal, weed, rock and scree vegetation]. Academia, Praha, pp. 82-85.