Association XDE07

Oenothero biennis-Helianthetum tuberosi de Bolòs et al. 1988

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This association includes stands dominated by Helianthus tuberosus, a tall perennial herb which is a neophyte of North American origin. It occurs on banks and alluvia of rivers, along roads, railways, on abandoned fields, building rubble and dumping sites near settlements. It has naturalized on some forest edges or clearings where this species was originally planted as a source of game fodder. Once established on a particular site it may persist for a long time due to vegetative reproduction through an extensive rhizome system. Helianthus tuberosus stands are scattered across the Czech Republic, being more common in lowlands and large river corridors.

Citation: Láníková D. (2009): Oenothero biennis-Helianthetum tuberosi de Bolòs et al. 1988. – In: Chytrý M. (ed.), Vegetace České republiky. 2. Ruderální, plevelová, skalní a suťová vegetace [Vegetation of the Czech Republic 2. Ruderal, weed, rock and scree vegetation], p. 365–368, Academia, Praha.
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