Graphis neeladriensis
| Graphis neeladriensis | |
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Scientific classification 
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| Missing taxonomy template (fix): | Graphis (lichen) |
| Species: | Template:Taxonomy/Graphis (lichen)G. neeladriensis
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| Binomial name | |
| Template:Taxonomy/Graphis (lichen)Graphis neeladriensis Mohabe, Bodicherla, Nayaka & A.M.Reddy (2016)
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Graphis neeladriensis is a species of lichen in the family Graphidaceae. Found in the Eastern Ghats mountain range of India and was formally described in 2016. The species epithet neeladriensis refers to the Neeladri range where the type specimen was discovered.[1]
Description
Graphis neeladriensis forms a thin, crusty growth on tree bark, appearing greenish-grey to grey with a smooth to cracked, shiny surface. It is a symbiotic organism consisting of a fungus and an alga, with a thallus (body) 80–160 micrometres thick.[1]
Its distinctive features are its reproductive structures called lirellae – elongated, black, line-like features that contain the fungal spores. These lirellae are partially sunken into the thallus surface and can be short or long (0.2–3.5 millimetres), simple or occasionally branched. The lirellae have 2–4 parallel grooves on their upper surface.[1]
The spores are colourless and divided by both horizontal and vertical walls, measuring 24–77 by 7–12 micrometres.[1]
When exposed to ultraviolet light, G. neeladriensis glows yellow due to the presence of lichexanthone, a relatively rare characteristic among Graphis species.[1]
Habitat and distribution
The species has only been found in the Neeladri range of Tirumala hills in Andhra Pradesh, India, where it grows on the bark of jackfruit trees at an elevation of around 650 metres. It shares its habitat with other lichens including species of Bacidia, other Graphis species, Lecanora achroa, and Hyperphyscia adglutinata.[1]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Mohabe, Satish; Anjali, Devi B.; Nayaka, Sanjeeva; Reddy, A. Madhusudhana (2016). "New species and new records of Graphis (Ostropales: Graphidaceae) from Eastern Ghats, India". Tropical Plant Research. 3 (3): 611–615. doi:10.22271/tpr.2016.v3.i3.081.[predatory publisher]
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