Taxonomical Revision of the Caloplaca Saxicola Group (Teloschistaceae, lichen-forming Ascomycota)

About this book

This volume presents a revision of the Caloplaca saxicola group (Teloschistaceae, Ascomycetes) of the northern Hemisphere. The revision is based on the study of morphological and anatomical characteristics of approximately 650 specimens and their relevant type material. The specimens and type material studied are documented in drawings of microscopic structures and photos of thallus habit and apothecia.

Furthermore the author presents a key to the taxa covered by this study. A statistical analysis was conducted to verify the significance of the spore characters for identification and completes this study.

As a result of this revision, the following taxa are now part of the C. saxicola group: Caloplaca arnoldii (Wedd.) Zahlbr.; C. arnoldii subsp. clauzadeana Gaya; C. arnoldii subsp. nana Gaya; C. arnoldii subsp. obliterata Gaya; C. arnoldiiconfusa Gaya & Nav.-Ros.; C. biatorina (A. Massal.) J. Steiner; C. decipiens (Arnold) Blomb. & Forssell; C. pseudofulgensia Gaya & Nav.-Ros.; C. pusilla (A. Massal.) Zahlbr.; C. rouxii Gaya, Nav.-Ros. & Llimona; C. saxicola (Hoffm.) Nordin; and C. schistidii (Anzi) Zahlbr.

Contents

Summary ##
Acknowledgements #
Introduction ##
Material and Methods#
Herbaria #
Study and description of the samples
Nomenclature and citations #
Spore characters in the Caloplaca saxicola group #

Characters in the Caloplaca saxicola group and related species ##
Thallus ##
Biological forms #
Surface ##
Types of plectenchyma
Cortex #
Epinecral layer
Cortex #
Medulla ##
Prothallus (= hypothalline line, hypothallus) #
Algal layer ##
Reproductive structures
Vegetative dispersion
Apothecia #
Pycnidia #
Chemistry #
Ecology and distribution
Habitat ##
Distribution ##

Key to the taxa and morphotypes of the Caloplaca saxicola group #
Taxa of the Caloplaca saxicola group and related species #
The Caloplaca saxicola group ##
Caloplaca arnoldii (Wedd.) Zahlbr. #
Caloplaca arnoldii subsp. clauzadeana Gaya subsp. nova #
Caloplaca arnoldii subsp. nana Gaya subsp. nova##
Caloplaca arnoldii subsp. obliterata Gaya comb. nova #
Caloplaca arnoldii (Asiatic samples) ##
Caloplaca arnoldiiconfusa Gaya & Nav.-Ros. sp. nova ##
Caloplaca biatorina (A. Massal.) J. Steiner ##
Caloplaca decipiens (Arnold) Blomb. & Forssell ##
Caloplaca pseudofulgensia Gaya & Nav.-Ros. sp. nova#
Caloplaca pusilla (A. Massal.) Zahlbr. ##
Caloplaca rouxii Gaya, Nav.-Ros. & Llimona nom. nov. #
Caloplaca saxicola (Hoffm.) Nordin ##
Caloplaca schistidii (Anzi) Zahlbr. ##
Caloplaca biatorina subsp. gyalolechioides (M#ll. Arg.)
Clauzade & Cl. Roux. #
Caloplaca saxicola subsp. laceratula (Arnold ex Poelt)
Clauzade & Cl. Roux ##
Other species closely related to the Caloplaca saxicola group #
Caloplaca alcarum Poelt ##
Caloplaca aurantia group ##
Caloplaca aegaea Sipman ##
Caloplaca aurantia (Pers.) Hellb. ##
Caloplaca flavescens (Huds.) J.R. Laundon
Caloplaca thallincola (Wedd.) Du Rietz #
Caloplaca ignea Arup #
Caloplaca scopularis (Nyl.) Lettau #
Lobed Caloplaca with soredia ##
Caloplaca cirrochroa (Ach.) Th. Fr. ##
Caloplaca obliterans (Nyl.) Blomb. & Forssell ##
Caloplaca proteus Poelt
Spore characters in the Caloplaca saxicola group
References
Iconography

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