Abstract
The pyrenocarpous lichens are the one which produces perithecial ascocarps. They are one of the prominent groups of lichens in tropical forests. Frequent incidence of pyrenocarpous taxa in lichen biota of Goa prompted us to take up the exclusive study of this group in the State. The study revealed the occurrence of 79 species belonging to 15 genera and seven families. The family Pyrenulaceae had the maximum number of 23 species, while 20 belonged to the family Porinaceae. In comparison to North Goa, South Goa is fairly well explored for lichens representing 71 species from 11 localities. The following five species are reported as new to India — Porina exserta, P. siamensis, Pyrenula dissimulans, P. pyrenastrospora and P. rinodinospora. With the addition of five new records, the Goa State now represents 165 species of lichens, out of which 48% is represented by pyrenocarpous lichens. The present study will be useful for monographic studies on pyrenocarpous lichens and for environmental monitoring studies in the area, as this can be considered as a key indicator species.
Highlights
The Western Ghats traverses through the State of Goa, India and is a well-known biodiversity hotspot
The Pyrenulaceae family was most dominant in the State, with 23 species followed by Porinaceae (20 spp.) and Monoblastiaceae (13 spp.)
Pyrenula was dominant with 24 species, followed by Porina (19 spp.), Anisomeridium (12 spp.) and Strigula (8 spp.)
Summary
The Western Ghats traverses through the State of Goa, India and is a well-known biodiversity hotspot. Frequent occurrence of pyrenocarpous lichens during the exploration in the State indicated their dominance which prompted us to carry out an exclusive study on this group. In an exclusive survey of Cotigao Wildlife Sanctuary 36 pyrenocarpous taxa were reported under nine genera [3]. In the studies on foliicolous lichens, there enumerated a total of 15 pyrenocarpous lichens [2, 4]. These reports clearly indicate that Goa State has a rich diversity of pyrenocapous lichens.
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