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Acta Botanica Gallica
Botany Letters
Volume 157, 2010 - Issue 3
199
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Original Articles

Phytosociological features of Sesleria calabrica (Poaceae), an endemic species to Pollino—Orsomarso mountains (southern Italy)

Pages 539-554 | Received 19 Oct 2009, Accepted 30 Dec 2009, Published online: 26 Apr 2013
 

Abstract

Sesleria calabrica (Deyl) Di Pietro is a species belonging to the collective group of S. juncifolia s.l. which has been described recently for southern Italy where it is restricted to the Pollino—Orsomarso massifs. In this area S. calabrica is widespread between 1200 and 2280 m a.s.l where it is the dominant species in two grassland types, Jurineo mollis—Seslerietum calabricae ass. nov. (lower montane belt) and Anthyllido atropurpureae—Seslerietum calabricae ass. nov. (subalpine belt) which belong respectively to Festuco-Brometea and Elyno- Seslerietea classes. The presence of a southern Italy endemic sub—alliance of Seslerion apenninae is hypothesised.

Résumé

Sesleria calabrica (Deyl) Di Pietro est une espèce du complexe de S. juncifolia s.l. récemment décrite d'Italie méridionale, où elle est localisée aux massifs du Pollino et de l'Oromarso. Dans cette région, S. calabrica est répandue entre 1200 et 2280 m d'altitude et s'y montre dominante dans deux associations de pelouse, le Jurineo mollis—Seslerietum calabricae ass. nov. (étage montagnard) et l'Anthyllido atropurpureae—Seslerietum calabricae ass. nov. (étage subalpin), appartenant respectivement aux classes Festuco-Brometea et Elyno-Seslerietea. La définition d'une sous—alliance du Seslerion apenninae endémique d'Italie méridionale est envisagée.

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