Fissurina duplomarginata is a species of corticolous (bark-dwelling) lichen in the family Graphidaceae. Found in Singapore, it was formally described as a new species in 2015 by Gothamie Weerakoon and Robert Lücking. The type specimen was collected by the first author from a low-elevation primary forest in the Bukit Timah Nature Reserve. It is only known to occur at the type locality. The greenish-grey thallus of the lichen is 25–75 μm thick, and covers an area of up to 5 cm (2 in) in diameter. It lacks a prothallus, soredia, and isidia. The photobiont partner is a member of the green algal genus Trentepohlia with yellowish-green cells measuring 8–14 by 6–9 μm; they occur in the lichen as a layer that is 20–60 μm thick. The species epithet refers to the double margin of the lirellae.[1]
| Fissurina duplomarginata | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Graphidales |
| Family: | Graphidaceae |
| Genus: | Fissurina |
| Species: | F. duplomarginata
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| Binomial name | |
| Fissurina duplomarginata | |
References
edit- ^ Weerakoon, Gothamie; Ngo, Kang Min; Lum, Shawn; Lumbsch, H. Thorsten; Lücking, Robert (2015). "On time or fashionably late for lichen discoveries in Singapore? Seven new species and nineteen new records of Graphidaceae from the Bukit Timah Nature Reserve, a highly urbanized tropical environment in South-East Asia". The Lichenologist. 47 (3): 157–166. doi:10.1017/s0024282915000043. S2CID 89905602.
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