Diorygma microsporum is a species of corticolous (bark-dwelling) crustose lichen in the family Graphidaceae. It was described as new to science in 2011. It has a neotropical distribution, and has been collected in Florida, Colombia, Brazil, and India. Notable for its small ascospores, this lichen thrives in undisturbed rainforests and serves as an indicator of forest health.
Phlyctis psoromica is a species of corticolous (bark-dwelling) crustose lichen in the family Phlyctidaceae. Native to New South Wales, Australia, it was described as new to science in 2011. This lichen is characterised by its whitish to pale blue-grey crustose thallus and distinctive secondary chemistry.
Fissurina andamanensis is a species of corticolous (bark-dwelling) script lichen in the family Graphidaceae. Found in the Andaman Islands, it was formally described as a new species in 2012 by Bharati Sharma, Pradnya Khadilkar, and Urmila Makhija. The type specimen was collected from the Betapur Range. The lichen has a yellowish-brown thallus that is glossy, cracked, and slightly verrucose. It has lirellate ascomata that are 1–6 mm long, simple to irregularly branched, and the same colour as the thallus, with a structure of the dumastii-type. The ascospores have 3 transverse septa, are hyaline, and measure 20–27 by 7–10 μm, with a thin halo. It contains salazinic acid, which is an uncommon lichen product in the genus Fissurina.
Fissurina immersa is a species of corticolous (bark-dwelling) script lichen in the family Graphidaceae. Found in India, it was formally described as a new species in 2012 by Bharati Sharma, Pradnya Khadilkar, and Urmila Makhija. The type specimen was collected from Mudigere (Karnataka). The lichen has a brown, uneven, finely cracked, and glossy thallus that is delimited by a black hypothalloidal region at the periphery. The lirelline ascomata are the same colour as the thallus and are 0.2–1.5 mm long, straight to curved, terminally acute, and have a dumastii-type structure. The ascospores are hyaline, somewhat muriform, and measure 12–13 by 3–5 μm, with 3–4 transverse and 1 vertical septa. It contains norstictic acid in its thallus.
Fissurina indica is a species of corticolous (bark-dwelling) script lichen in the family Graphidaceae. Found in India, it was formally described as a new species in 2012 by Bharati Sharma, Pradnya Khadilkar, and Urmila Makhija. The type specimen was collected from Wynad forest (Kerala). The thallus of this lichen is greenish and glossy, with a cracked and verrucose texture, and is delimited by a black hypothalloidal region at its periphery. The small ascomata are present all over the thallus and have acute ends, a dumastii-type structure, and are the same colour as the thallus. The ascospores are hyaline, muriform, multilocular, and measure 32–42 by 12–20 μm with an indistinct halo. No lichen products were detected in collected specimens.
Fissurina microcarpa is a species of corticolous (bark-dwelling) script lichen in the family Graphidaceae. Found in India, it was formally described as a new species in 2012 by Bharati Sharma, Pradnya Khadilkar, and Urmila Makhija. The type specimen was collected from Upper Kodayar. The lichen thallus that is brownish, cracked, warty, and glossy. Its lirelline ascomata are all over the thallus, short, and the same colour as the thallus, with a structure of dumastii-type. The lichen's ascospores are hyaline, muriform, and multilocular; they measure 87–125 by 25–37 μm and have a 5–8 μm thick halo.
Fissurina simplex is a species of corticolous (bark-dwelling), crustose lichen in the family Graphidaceae. Found in India, it was formally described as a new species in 2012 by Bharati Sharma, Pradnya Khadilkar, and Urmila Makhija. The type specimen was collected from an evergreen forest in Silent Valley National Park (Kerala); it has also been recorded from a humid deciduous forest in Karnataka. The lichen has a brown, glossy, and cracked thallus that is delimited by a black hypothalloidal region at its periphery. The ascomata are lirellate, 0.5–1.5 mm long, simple, straight, and the same colour as the thallus. They are immersed to slightly raised, arising as a swelling that then cracks and gapes, and have a terminally acute structure of subcontexta-type. The ascospores are hyaline, muriform, and measure 70–78 by 20–25 μm with a thin halo. Fissurina simplex contains two lichen products: stictic acid and hypostictic acid.
Fissurina sporolata is a species of corticolous (bark-dwelling), crustose lichen in the family Graphidaceae. Found in India, it was formally described as a new species in 2012 by Bharati Sharma, Pradnya Khadilkar, and Urmila Makhija. The type specimen was collected from Hebri (Karnataka), where it was found growing on a roadside tree trunk near a humid deciduous forest. This lichen has a brown, glossy, warty thallus that is finely cracked and rough. The lirellate ascomata are simple to rarely branched, immersed, the same colour as the thallus, and terminally acute, with a narrow disc that lacks pruina. The ascospores are 8-spored, hyaline, muriform, and ellipsoidal, multilocular, measuring 42–57 by 17–25 μm, with a 5–7 μm-thick halo. The hymenium is clear and hyaline, 225–250 μm high, and the hypothecium is hyaline and 20–25 μm high. No lichen products were detected in collected specimens.
Fissurina submonospora is a species of corticolous (bark-dwelling), crustose lichen in the family Graphidaceae. Found in India, it was formally described as a new species in 2012 by Bharati Sharma, Pradnya Khadilkar, and Urmila Makhija. The type specimen was collected from Upper Kodayar, where it was found growing in a humid evergreen forest. This lichen has a brownish grey to dark brown, cracked and uneven thallus, delimited by a black hypothalloid region at its periphery. Its ascomata are short, simple to branched, and immersed, with a structure of dumastii-type, while the disc is slit-like. The ascospores are hyaline, muriform, with 10–15 transverse and 4–5 longitudinal septa, and typically measure 70–100 by 20–50 μm, with a 2.5–10 μm-thick halo.
Acanthothecis collateralis is a rare endemic species of script lichen in the family Graphidaceae. Found in the Andaman Islands of India, it was formally described as a new species in 2007 by Urmila Makhija and Bharati Adawadkar. It is distinguished from other Acanthothecis species by its specific arrangement of ascomata and distinct chemical composition.
Fissurina capsulata is a species of corticolous (bark-dwelling) script lichen in the family Graphidaceae. Found in India, it was formally described as a new species in 2007 by Urmila Makhija and Bharati Adawadkar. The lichen is native to Kodaikanal, Tamil Nadu, where it was first identified near Daisy Bank in 1975.
Fissurina coarctata is a species of script lichen in the family Graphidaceae. It is found in India, where it grows in tropical rainforests and moist deciduous forests. This corticolous (bark-dwelling) lichen is primarily found on exposed tree trunks along roadsides. Its thallus has a yellowish-brown to olive-green colour and has a thick, verrucose texture. The species was formally described as new to science in 2007 by Urmila Makhija and Bharati Adawadkar.
Fissurina karnatakensis is a species of corticolous (bark-dwelling) script lichen in the family Graphidaceae. Found in India, it was formally described as a new species in 2007 by Urmila Makhija and Bharati Adawadkar. It grows on tree trunks in exposed conditions along roadsides within moist forests, particularly in Karnataka, a state known for its many endemic lichen species.
Fissurina khasiana is a species of corticolous (bark-dwelling) script lichen in the family Graphidaceae. It is found in India, specifically in the evergreen forests of Upper Shillong in the Khasi Hills; its species name is derived from the region where it was first collected. The lichen was formally described as a new species in 2007 by Urmila Makhija and Bharati Adawadkar.
Fissurina longiramea is a species of corticolous (bark-dwelling) script lichen in the family Graphidaceae. It is found in various locations across India, including the Andaman Islands, Karnataka, and the Nicobar Islands, where it grows in tropical rainforests. The lichen was formally described as a new species in 2007 by Urmila Makhija and Bharati Adawadkar.
Fissurina verrucosa is a species of corticolous (bark-dwelling) script lichen in the family Graphidaceae. Found in Karnataka, India, it was formally described as a new species in 2007 by Urmila Makhija and Bharati Adawadkar. This species is characterized by its yellowish-brown and slightly glossy appearance. Its thallus has a cracked, uneven, and verrucose texture.
Enterographa kinabaluensis is a species of corticolous (bark-dwelling) crustose lichen in the family Ramalinaceae. Found in coastal rainforests on the island of Borneo, it was described as a new species in 2020. Characterised by its white thallus, punctiform (dot-like) soralia and norstictic acid content, this lichen is readily recognisable when fertile.
Phlyctis monosperma is a species of corticolous (bark-dwelling), crustose lichen in the family Phlyctidaceae. It is characterised by its greyish-white, loose, granular thallus, single-spored asci, and distinctive chemical substances. The lichen is found in the subtropical evergreen forests of the Eastern Himalayas and Western Ghats of India, where it grows on rough tree bark in close association with plant-dwelling bryophytes at elevations above 2,000 m (6,600 ft). It also occurs in Sri Lanka.
Phlyctis sirindhorniae is a little-known species of corticolous (bark-dwelling), crustose lichen in the family Phlyctidaceae. It shares some similarities with Phlyctis agelaea but can be distinguished by its smaller ascospores, larger apothecia, and a higher number of ascospores per ascus. It is only known to exist in a specific location in northeastern Thailand.
Phlyctis subhimalayensis is a species of corticolous (bark-dwelling), crustose lichen in the family Phlyctidaceae. It is found in certain high-elevations regions of the Himalayas and Southwestern China.
