Unexpected Discovery of Thelypteris palustris (Thelypteridaceae) in Sicily (Italy): Morphological, Ecological Analysis and Habitat Characterization

Thelypteris palustris Schott (Thelypteridaceae), known as “marsh fern”, is infrequent in the Mediterranean area. The occurrence of this species is known for almost all the Italian regions (except for Sardinia and Sicily), but with rare and declining populations....

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Autores principales:	Saverio Sciandrello, Salvatore Cambria, Gianpietro Giusso del Galdo, Gianmarco Tavilla, Pietro Minissale
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	distribution ecology relic fern Mediterranean wetlands conservation status pteridophytes Botany QK1-989
Acceso en línea:	https://doaj.org/article/1e96eb9ac5e44b38b26f79c7d2989920
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spelling	oai:doaj.org-article:1e96eb9ac5e44b38b26f79c7d29899202021-11-25T18:46:40ZUnexpected Discovery of <i>Thelypteris palustris</i> (<i>Thelypteridaceae</i>) in Sicily (Italy): Morphological, Ecological Analysis and Habitat Characterization10.3390/plants101124482223-7747https://doaj.org/article/1e96eb9ac5e44b38b26f79c7d29899202021-11-01T00:00:00Zhttps://www.mdpi.com/2223-7747/10/11/2448https://doaj.org/toc/2223-7747<i>Thelypteris palustris</i> Schott (<i>Thelypteridaceae</i>), known as “marsh fern”, is infrequent in the Mediterranean area. The occurrence of this species is known for almost all the Italian regions (except for Sardinia and Sicily), but with rare and declining populations. During floristic fieldwork on the Sicilian wetlands, a new unknown population was found. The aim of this paper is to analyze the morphological traits of the species, as well as its ecological features and the floristic composition of the plant communities where it lives. According to IUCN guidelines, here we provide the regional assessment (Sicily) of <i>T. palustris</i>. To analyze its morphological features, many living plants were examined, with particular attention to the spore structure. A total of <b>179</b> plots (110 species) and <b>34</b> pools were sampled. Our results highlight the relic character of the species which is at the southernmost border of its distribution range. The micro-morphological investigations on the spores show that the Sicilian population belongs to the subsp. <i>palustris</i>. The floristic analysis confirms the clear dominance of perennial temperate-cold zones Eurasian taxa. Finally, a new association, <i>Thelypterido palustris-Caricetum paniculatae</i>, within the <i>Caricion gracilis</i> alliance (<i>Phragmito-Magnocaricetea</i> class) is described.Saverio SciandrelloSalvatore CambriaGianpietro Giusso del GaldoGianmarco TavillaPietro MinissaleMDPI AGarticledistributionecologyrelic fernMediterranean wetlandsconservation statuspteridophytesBotanyQK1-989ENPlants, Vol 10, Iss 2448, p 2448 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	distribution ecology relic fern Mediterranean wetlands conservation status pteridophytes Botany QK1-989
spellingShingle	distribution ecology relic fern Mediterranean wetlands conservation status pteridophytes Botany QK1-989 Saverio Sciandrello Salvatore Cambria Gianpietro Giusso del Galdo Gianmarco Tavilla Pietro Minissale Unexpected Discovery of <i>Thelypteris palustris</i> (<i>Thelypteridaceae</i>) in Sicily (Italy): Morphological, Ecological Analysis and Habitat Characterization
description	<i>Thelypteris palustris</i> Schott (<i>Thelypteridaceae</i>), known as “marsh fern”, is infrequent in the Mediterranean area. The occurrence of this species is known for almost all the Italian regions (except for Sardinia and Sicily), but with rare and declining populations. During floristic fieldwork on the Sicilian wetlands, a new unknown population was found. The aim of this paper is to analyze the morphological traits of the species, as well as its ecological features and the floristic composition of the plant communities where it lives. According to IUCN guidelines, here we provide the regional assessment (Sicily) of <i>T. palustris</i>. To analyze its morphological features, many living plants were examined, with particular attention to the spore structure. A total of <b>179</b> plots (110 species) and <b>34</b> pools were sampled. Our results highlight the relic character of the species which is at the southernmost border of its distribution range. The micro-morphological investigations on the spores show that the Sicilian population belongs to the subsp. <i>palustris</i>. The floristic analysis confirms the clear dominance of perennial temperate-cold zones Eurasian taxa. Finally, a new association, <i>Thelypterido palustris-Caricetum paniculatae</i>, within the <i>Caricion gracilis</i> alliance (<i>Phragmito-Magnocaricetea</i> class) is described.
format	article
author	Saverio Sciandrello Salvatore Cambria Gianpietro Giusso del Galdo Gianmarco Tavilla Pietro Minissale
author_facet	Saverio Sciandrello Salvatore Cambria Gianpietro Giusso del Galdo Gianmarco Tavilla Pietro Minissale
author_sort	Saverio Sciandrello
title	Unexpected Discovery of <i>Thelypteris palustris</i> (<i>Thelypteridaceae</i>) in Sicily (Italy): Morphological, Ecological Analysis and Habitat Characterization
title_short	Unexpected Discovery of <i>Thelypteris palustris</i> (<i>Thelypteridaceae</i>) in Sicily (Italy): Morphological, Ecological Analysis and Habitat Characterization
title_full	Unexpected Discovery of <i>Thelypteris palustris</i> (<i>Thelypteridaceae</i>) in Sicily (Italy): Morphological, Ecological Analysis and Habitat Characterization
title_fullStr	Unexpected Discovery of <i>Thelypteris palustris</i> (<i>Thelypteridaceae</i>) in Sicily (Italy): Morphological, Ecological Analysis and Habitat Characterization
title_full_unstemmed	Unexpected Discovery of <i>Thelypteris palustris</i> (<i>Thelypteridaceae</i>) in Sicily (Italy): Morphological, Ecological Analysis and Habitat Characterization
title_sort	unexpected discovery of <i>thelypteris palustris</i> (<i>thelypteridaceae</i>) in sicily (italy): morphological, ecological analysis and habitat characterization
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/1e96eb9ac5e44b38b26f79c7d2989920
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Unexpected Discovery of <i>Thelypteris palustris</i> (<i>Thelypteridaceae</i>) in Sicily (Italy): Morphological, Ecological Analysis and Habitat Characterization

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