Flora i vegetació liquènica nitròfila del Delta de l'Ebre

Authors

  • Montserrat Boqueras i Bailina
  • Antonio Gómez-Bolea
  • Pere Navarro-Rosinés

Abstract

A list is afforded of the taxa, lichens and lichenicolons jungi, observed on non-living substrates (mainly on agricole constructions) and on the main trees and shrubs growing in the Ebro Delta, in a region of fairly mild winters. A good number of the taxa are new or interesting records for the Catalan flora. Amongst them, Caloplaca ulcerosa, Lecania cyrtellinoides, Lecanora hybocarpa, Polyblastiopsis lactea and Thelenella modesta as epiphytic, and Collemopsis schaereri, Lecanora lisbonensis, Thelidium olivaceum, Verrucaria macrostoma and V. ochrostoma as saxicolous. Also included is a phytosociological draft of the main observed lichen communities. Epiphytic ones belong to the Al. Lecanorion subfuscae; saxicole ones, to the Al. Caloplacion decipientis, with rather original species composition. The lichen flora and vegetation of this deltaic plain can be mainly considered as neatly nitrophilous, because of man influence, through intense agricultural exploitation.

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Published

2005-06-03

Issue

Vol. 57 : 1989 (Secció de Botànica, 7)

Section

Articles

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