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Molecular data support Ramalina ovalis as a distinct lineage (Ramalinaceae, Ascomycota)

Published online by Cambridge University Press:  09 July 2014

Glenys C. HAYWARD ,
Dan J. BLANCHON  and
H. Thorsten LUMBSCH
Glenys C. HAYWARD
Affiliation:
Sacred Heart College, 250 West Tamaki Road, Glendowie, Auckland 1071, New Zealand
Dan J. BLANCHON*
Affiliation:
Biodiversity and Animal Welfare Research Group, Department of Natural Sciences, Unitec Institute of Technology, Private Bag 92025, Auckland 1142, New Zealand. Email: dblanchon@unitec.ac.nz
H. Thorsten LUMBSCH
Affiliation:
Science & Education, The Field Museum, 1400 S. Lake Shore Drive, Chicago, Illinois 60605, USA
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Abstract

Ramalina celastri is a highly variable, widely distributed pan-subtropical lichen species. In Australasia the species had been separated into two subspecies; R. celastri subsp. celastri and R. celastri subsp. ovalis. This study compares morphological variation, substratum preference and sequences of the internal transcribed spacer (ITS) and intergenic spacer (IGS) regions of ribosomal DNA from a range of specimens from New Zealand and one from Australia. Bayesian and ML trees generated using the sequence data form two well-supported clades corresponding to the two previously recognized subspecies. Molecular, morphological and geographical differences support the recognition of R. ovalis at the species rank.

Keywords

AustralasiaIGSITSlichensRamalinaceaeribosomal DNAspecies delimitation
Type
Articles
Information
The Lichenologist , Volume 46 , Issue 4 , July 2014 , pp. 553 - 561
Copyright
Copyright © British Lichen Society 2014 

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