A new species in the lichen genus Circinaria (Megasporaceae) from Pakistan based on morphology and DNA sequence data
DOI :
https://doi.org/10.17348/jbrit.v18.i2.1370Mots-clés :
Balochistan, Gilgit Baltistan, Taxonomy, PhylogenyRésumé
Circinaria terrenoides sp. nov. was collected in Balochistan and Gilgit Baltistan. Comparative morpho-anatomical research, chemical analysis, and ITS-based DNA analyses all support its placement within the genus Circinaria. Circinaria terrenoides sp. nov. is distinguished from the closely related species C. affinis in having a crustose, areolate to rimose-areolate thallus (vs. subfruticose, verrucose-areolate), earthy brown to greenish gray upper surface (vs. earthy gray to gray-green), smaller conidia 12–18 × 0.4–0.9 µm (vs. 16–20 ×1–1.2 μm), (vs. black to brownish), and growing on calcareous sedimentary rock (vs. stony steppes).
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