Gypsophilo paniculatae-Agropyretum repentis , a new half-ruderal weed association

Borhidi, A. and Csiky, J. and Lájer, K. and Pál, R. (2007) Gypsophilo paniculatae-Agropyretum repentis , a new half-ruderal weed association. Acta Botanica Hungarica, 49 (1-2). pp. 65-80. ISSN 0236-6495

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Abstract

This paper deals with a new Gypsophila paniculata dominated half-ruderal Pannonian weed association. In order to identify this vegetation type, samples were compared with some dry and semidry Central European weed associations of Agropyretalia repentis. The community studied seems to belong to the Artemisio-Agropyrion repentis alliance. Based on results, the Gypsophila paniculata dominated dry half-ruderal sand grass stands are classified in the frame of a new association under the name of Gypsophilo paniculatae-Agropyretum repentis . It can be divided into two subassociations, notably a more natural typical one rich in species, replacing disturbed sand grasses → typicum with Artemisia campestris , and another type containing less species and exposed to much stronger disturbance → aperetosum spicae-venti subass. nova.

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