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| Enterographa assamica Pooja Gupta, S. Joseph & G.P. Sinha
in Gupta, Joseph & Sinha, 2019.
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ABSTRACT
A new species Enterographa assamica, in the family Roccellaceae sensu lato is described from Assam, India. It is
characterized by whitish grey thallus, rounded to elongate ascomata with yellowish-white thalline margin and presence of
lichexanthone and confluentic acid in the thallus. A key to all the known species of Enterographa in India is also provided.
KEY WORDS: Arthoniales; Assam; India; Enterographa assamica; Lichenized Ascomycota; Roccellaceae s. l.; Taxonomy.
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| Fig. 1. Enterographa assamica. A. Thallus with ascomata; B & C. Asci with ascospores.
Scale: A. 1 mm; B & C. 10 µm.
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Enterographa assamica Pooja Gupta, S. Joseph & G.P. Sinha sp. nov.
Diagnosis: Thallus corticolous, epiperidermal;
ascomata rounded to elongate; 0.25–0.55 mm diam., if
rounded; 0.5–1(–1.2) × 0.2–0.5 mm, if lirelliform; asci
clavate, 8˗spored, 60–80 × 15–19 μm; ascospores
hyaline, acicular, transversely 7–11˗septate, slightly
curved at the end, (39–)48–55(–60) × 2–3 μm;
confluentic acid and lichexanthone present.
Etymology: The specific epithet refers to the Indian
state, Assam, where it was discovered.
Pooja Gupta, Siljo Joseph and Gopal Prasad Sinha. 2019. Enterographa assamica, A New Species from North-East India. Taiwania. 64(1); 1-3. DOI: 10.6165/tai.2019.64.1