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A first assessment of the Ticolichen biodiversity inventory in Costa Rica: the genus Haematomma (Lecanorales: Lecanoraceae)

Published online by Cambridge University Press:  10 May 2006

Matthew P. NELSEN ,
Robert LÜCKING ,
José Luis CHAVES ,
Harrie J. M. SIPMAN ,
Loengrin UMAÑA  and
Enia NAVARRO
Matthew P. NELSEN
Affiliation:
Department of Botany, University of Wisconsin-Madison, Madison, Wisconsin, 53706-1381, USA
Robert LÜCKING
Affiliation:
Department of Botany, The Field Museum, 1400 South Lake Shore Drive, Chicago, Illinois, 60605-2496, USA
José Luis CHAVES
Affiliation:
Laboratorio de Hongos, Instituto Nacional de Biodiversidad (INBio), Apdo. 22-3100, Santo Domingo de Heredia, Costa Rica
Harrie J. M. SIPMAN
Affiliation:
Botanisches Museum Berlin Dahlem, Königin-Luise-Strasse 6–8, D-14191 Berlin, Germany
Loengrin UMAÑA
Affiliation:
Laboratorio de Hongos, Instituto Nacional de Biodiversidad (INBio), Apdo. 22-3100, Santo Domingo de Heredia, Costa Rica
Enia NAVARRO
Affiliation:
Laboratorio de Hongos, Instituto Nacional de Biodiversidad (INBio), Apdo. 22-3100, Santo Domingo de Heredia, Costa Rica
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Abstract

The genus Haematomma is treated as part of the Ticolichen biodiversity inventory in Costa Rica. Together with literature reports, fourteen taxa are recognized as occurring in the country (plus three species to be expected), and three of them are new to science: Haematomma nicoyense Nelsen, Lücking & Chaves, with a sorediate thallus, russulone and atranorin, and zeorine apothecia with a split between proper excipulum and thalline margin, Haematomma staigeriae Nelsen, Lücking & Umaña, with a sorediate thallus, russulone and lichexanthone, and submuriform ascospores, and Haematomma fluorescens var. longisporum Nelsen, Lücking & Navarro, with russulone and lichexanthone and ascospores up to 120 μ m in length with up to 27 septa. A key is presented for the 17 taxa known or expected from Costa Rica.

Keywords

Haematommataceaelichen chemistryNeotropicsnew species
Type
Research Article
Information
The Lichenologist , Volume 38 , Issue 3 , May 2006 , pp. 251 - 262
Copyright
© British Lichen Society 2006

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