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Plant Sociology 56 (2) 2019

pag. 99-112: Coriaria myrtifolia-dominated vegetation: syntaxonomic considerations on a newly found community type in Tuscany (Italy)

G. Bonari1, T. Fiaschi2, K. Chytrý1, M. Biagioli3, C. Angiolini2

1Department of Botany and Zoology, Masaryk University, Kotlářská 2, CZ-611 37 Brno, Czech Republic.

2Department of Life Sciences, University of Siena, Via P.A. Mattioli 4, I-53018, Siena, Italy.

3Meteo Siena 24, Via Piave 2, I-53100 Siena, Italy.

doi: 10.7338/pls2019562/07

online: 2019, Dec 21

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During botanical researches, we found an isolated population of Coriaria myrtifolia for the first time in Tuscany (Italy). This study aims to gain insights into the distribution of this species and its associated vegetation. We studied the scrub vegetation dominated by C. myrtifolia at the currently known southernmost limit of its distribution in Italy through the phytosociological method. We present and discuss the attribution of the Tuscan relevés to the association Rubo ulmifolii-Coriarietum myrtifoliae O. de Bolòs 1954 (Pruno spinosae-Rubion ulmifolii O. de Bolòs 1954), firstly reported for peninsular Italy. Our data allowed us to describe a new subassociation viburnetosum tini differentiated by the Mediterranean shrub Viburnum tinus subsp. tinus and by the meso-xerophilous herbs Lathyrus latifolius and Viola alba subsp. dehnhardtii. This research also suggests that, although vast areas of Tuscany lie in the Temperate submediterranean macrobioclimate, including our study area, the presence of Mediterranean elements in the shrub vegetation can be conspicuous when local factors, such as a water body, mitigate the microclimate.


Coriaria myrtifolia, Habitat, Italy, Mediterranean Basin, Pruno spinosae-Rubion ulmifolii, syntaxonomy, vegetation