Journal
LICHENOLOGIST
Volume 53, Issue 1, Pages 117-133Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0024282920000353
Keywords
environmental monitoring; Kauai; Lobarioideae; Maui; Molokai; Oahu
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Funding
- National Science Foundation (NSF) [DEB-1025861, DEB-1354884]
- Field Museum's Women's Board Field Dreams program 2011
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The taxonomy of Sticta in Hawaii was reevaluated based on molecular phylogeny. Thirteen taxa were classified, including 12 species and one subspecies previously identified in a phylogenetic analysis. The implications of revised species taxonomies on other research fields and an environmental health monitoring protocol for Hawaiian ecosystems using Sticta lichens were discussed.
The taxonomy of the genus Sticta in Hawaii is reassessed, based on a separately published molecular phylogeny using the fungal barcoding marker ITS. Based on Magnusson and Zahlbruckner's treatment from 1943 and Magnusson's catalogue from 1955, seven species of Sticta and three infraspecific taxa had been reported from the archipelago, all widespread except the putative endemic S. plumbicolor. Here we provide a taxonomic treatment of 13 taxa, 12 species and one subspecies, distinguished in a previous phylogenetic analysis: S. acyphellata, S. andina, S. antoniana, S. emmanueliana, S. flynnii, S. fuliginosa, S. hawaiiensis, S. limbata, S. plumbicolor, S. scabrosa subsp. hawaiiensis, S. smithii, S. tomentosa and S. waikamoi. All taxa are described, discussed and illustrated and a dichotomous key is presented. The implications of revised species taxonomies for studies in other fields such as ecology, ecophysiology, biogeography, biochemistry, and applications such as environmental monitoring are discussed. We also propose a protocol to use Sticta lichens to monitor the environmental health of Hawaiian ecosystems.
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