Krogia australasiatica (Ramalinaceae, lichenized fungi), a new species from Australia and New Caledonia, with new records of Krogia from New Caledonia

Einar Timdal

doi:10.7751/telopea20228

Authors

Einar Timdal Natural History Museum, University of Oslo https://orcid.org/0000-0003-4524-0617

DOI:

https://doi.org/10.7751/telopea20228

Keywords:

hyperboninic acid, ITS marker, lichens, phylogenetics, rainforest, secondary chemistry, taxonomy, 4-O-methylcryptochlorophaeic acid

Abstract

The new species Krogia australasiatica Timdal is described from tree trunks in humid forests/rainforests in Australia (Queensland) and New Caledonia, partly based on a phylogenetic reconstruction using the ITS marker. The new species shares the secondary chemistry with the neotropical K. antillarum Timdal, i.e. 4-O-methylcryptochlorophaeic acid, and the vegetative dispersal units, i.e. isidia, with the New Caledonian K. isidiata Kistenich & Timdal and K. macrophylla Kistenich & Timdal. The trivial name hyperboninic acid is introduced for a secondary compound occurring in K. coralloides Timdal and K. macrophylla. The genus Krogia Timdal is new to Australia and new localities are given for K. isidiata and K. macrophylla in New Caledonia.

Author Biography

Einar Timdal, Natural History Museum, University of Oslo

Professor and scientific curator of lichen herbarium

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