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Webbia
Journal of Plant Taxonomy and Geography
Volume 66, 2011 - Issue 2
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Original Articles

Atlas of the pteridological knowledge of Abruzzo (Central Italy)

Atlante delle conoscenze pteridologiche d'Abruzzo (Italia Centrale)

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Pages 251-305 | Accepted 19 May 2011, Published online: 14 Apr 2013
 

Summary

Using the records filed in the database of the vascular flora of Abruzzo, we have advanced and updated the distributional data of the pteridological flora. With the aim to provide useful aspects for the planning and management of the regional diversity, a complete list of 61 taxa, including an additional list of all the accounted records and distributional maps of the pteridological knowledge, has been presented. The considered pteridological flora is constituted by 2 very common taxa (CC), 22 common taxa (C), 8 less common taxa (LC), 3 rare taxa (R), 7 very rare taxa (RR) and 6 taxa reported as doubtful (D). Moreover, 8 taxa are not recently confirmed (NC), 2 are extincted (EX) and 3 are counted out (NP) of the regional pteridological flora. The Fucino plain and the hill and rural sectors of the Pescara and Chieti provinces have been reported as geographical lacks of pteridological knowledges. Instead, Laga Mountains have been evaluated as regional pteridological high-interest site, due to the presence of an high percentage of rare and very rare pteridological taxa.

A partire dalle segnalazioni floristiche archiviate nella banca dati della flora vascolare della regione Abruzzo, sono stati revisionati ed aggiornati i dati di distribuzione della flora pteridologica. Con l'obiettivo di fornire elementi utili per la pianificazione e la gestione della diversità pteridologica regionale, viene presentato un elenco completo di 61 taxa corredato da mappe delle conoscenze distributive. La flora pteridologica considerata è costituita da 2 taxa molto comuni (CC), 22 comuni (C), 8 poco comuni (LC), 3 rari (R), 7 rarissimi (RR) e 6 segnalati con dubbio (D). Inoltre, 8 entità non sono state confermate di recente (NC), 2 sono estinte (EX) e 3 indicate per errore (NP). I territori meno esplorati risultano essere la piana del Fucino e i settori collinari delle provincie di Pescara e Chieti. I Monti della Laga possono essere considerati come sito di interesse pteridologico grazie alla presenza di una elevata percentuale di entità rare o al limite di areale.

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