Siljo Joseph

Kerala Forest Research Institute · Forest Ecology and Biodiversity Conservation Division

Present paper deals with 21 species of lichenized fungi belonging to 11 genera and 8 families, collected from Ultapani Forest Range of Kokrajhar district, Assam, India situated in the foothills of Bhutan. The family Malmideaceae is dominant with 11 species followed by Graphidaceae with four species. Amongst genera, Malmidea exhibited as the most do...

The occurence of 52 species of lichens belonging to 25 genera and 14 families from Ultapani, Saralpara and Labanyapur of Ultapani Forest Range of Kokrajhar district, Assam (India) is provided. The majority of the species are crustose with 43 species, foliose with seven species and fruticose and squamulose with one species each. This study added two...

The present study deals with the exploration of lichen diversity in Dhubri district of Assam state. A total of 42 lichen species belonging to 10 families and 16 genera were recorded, the majority of which were crustose (93%) with Graphidaceae as the dominant family. Eleven of the lichen species under eight genera are new additions to the lichen bio...

The lichen genus Crypthonia in India is represented by two species namely, Crypthonia albida (Fée) Frisch & G. Thor and Crypthonia palaeotropica Frisch & G. Thor. The taxonomic descriptions and diagnostic characteristics that distinguish these from allied species are discussed. Brief notes on geographic distribution, ecology, along with a world dis...

The present study enumerates the diversity of corticolous lichens from Kokrajhar district of Assam state. The study records 54 species of lichens belonging to 21 genera and 14 families. Majority of the species are crustose (44 species) and 10 are foliose. One of the species, Astrothelium alboverrucoides is a new record to India while five species v...

Lichens of Sirumalai hills are reported here for the first time. Lichen biota comprised of 95 species. The genus Japewiella is reported for the first time in India and is represented by J. tavaresiana (H. Magn.) Printzen. Furthermore, the following six taxa including one variety are new to India viz. Arthonia atra (Pers.) A. Schneid., Graphis brevi...

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The present study deals with 26 new records of lichens to Assam belonging to 14 genera, 9 families and one under Arthoniales from Ultapani Forest Range under Haltugaon Forest division of Kokrajhar district. The crustose lichen showed their dominance in the area with the percentage of 89% and foliose 11%. The members of Diploschistaceae family showe...

Bacidia pycnidiata (Ramalinaceae), Malmidea nigromarginata (Malmideaceae), Porina malmei and P. nuculastrum (Porinaceae), and Pyrenula laetior, and P. wrightii (Pyrenulaceae) are reported for the first time from India. The specimens were collected from the state of Assam. Taxonomic descriptions, distributions, and illustrations are provided for eac...

Phlyctis atomella (Stirt.) S. Joseph, G. P. Sinha & S. Nayaka comb. nov. MycoBank No.: MB 835457 Platygrapha atomella Stirt., Proc. Roy. Philos. Soc. Glasgow 11, 317 (1879).—Schismatomma atomellum (Stirt.) Zahlbr., Cat. Lich. Univ. 2, 553 (1924); type: India, Nilgiris [‘Neilghiri’], D. G. Watt s. n. (BM—lectotype!). Graphidastra himalayana Jagadees...

Chapsa cinchonarum, C. farinosa, Diorygma sticticum, Fissurina albocinerea, Graphis bungartzii, G. discarpa, G. nigririmis, Ocellularia alba, Phaeographis pseudostromatica, Sarcographa verrucosa, and Telotrema crassisporum are described and illustrated as new records for India.

This is the manual of workshop entitled "Field based hands-on training on lichen systematics" held during 28th Sept. to 5th Oct. 2019 at Sattal, Uttarakhand. The workshop was organized by Indian Lichenological Society, CSIR-National Botanical Research Institute, and Society of Pollution & Environmental Conservation Scientists. The workshop was supp...

The lichen species Alyxoria culmigena (Lib.) Ertz collected from the Andaman and Nicobar Islands, is reported as a new record to India. A detailed description and figures of new record along with distribution map and key to all known Alyxoria species in India are provided.

Lithographa olivacea Fryday, a lichenized fungus is reported as new generic as well as specific record for India, based on collections from Neora Valley National Park of West Bengal. The species is characterized by its saxicolous habitat, lirellate ascomata, and simple or submuriform hyaline ascospores. A detailed description and figures are provid...

The paper presents an updated list of 90 species of lichens from the state of Rajasthan, India. Three species marked by an asterisk (*) viz. Malmidea psychotrioides (Kalb & Lücking) Kalb, Rivas Plata & Lumbsch, Staurothele rugulosa (A. Massal.) Arnold and Willeya diffractella (Nyl.) Müll. Arg. are new records for India while 35 species marked by do...

The present paper deals with two new records for lndia of the genus Opegrapha viz., O. subdimidiata from West Bengal and O. xerica from Sikkim. A detailed account and figures of the both species are provided to facilitate their identification.

The lichenicolous species of genus Melaspilea has been studied. As a result, a new species Melaspilea amarkantakensis has been described and M. insitiva has been lectotypified. The new species grows on the thallus and ascomata of Pertusaria species in ‘sal’ forests of central India and is characterized by relatively small, blackish ascomata, I– and...

The type specimens of Synarthonia bicolor and S. stigmatidialis were examined, leading the authors to revise their descriptions as well as the generic description. Also, two new species of Synarthonia, viz. S. psoromica and S. sikkimensis are described from India. Synarthonia psoromica, collected from the Nilgiri Hills of Tamil Nadu, is characteriz...

A corticolous lichen, Opegrapha irosina Vain., is reported as new record for India based on collections from Kerala an West Bengal

A lichen species Syncesia farinacea (Fée) Tehler collected from the Nilgiri hills of Tamil Nadu is reported as new to India. A detailed description and figures along with additional information about its pycnidia, oil globules in young ascomata and rare isidia like structures not mentioned in earlier reports for this species are also provided.

ABSTRACT: The critically endangered Berberis nilghiriensis Ahrendt, endemic to the Nilgiri hills in South India is rediscovered after 140 years, with three extant populations of ca. 25 individuals in the Nilgiri hills. Taxonomic treatment along with threat status, ecology, and economic uses are provided and urgent conservation is suggested to preve...

Two lichen species, Bacidia arceutina(Ach.) Rehm & Arnold and B. heterochroa(Müll. Arg.) Zahlbr., from Sikkim are reported as new to India.

A corticolous lichen species, Opegrapha granulosa Siljo & G.P. Sinha, with a UV+ pale yellow thallus, is described as new to science from the Sundarbans Biosphere Reserve, West Bengal, India.

The present paper deals with Lecanora bicinctaRamond, a new record to the lichen flora of India. In addition, 10 species of lichens, new to lichen flora of Sikkim, are also dealt with. These are: Lecanora argentata (Ach.) Degel., L. chlarotera Nyl., L. cinereofusca H. M agn., L. luteomarginata Nayaka et al., L. phaeocardia Vain., L. pulicaris (Pers...

Caralluma bicolor Ramach, S. Joseph, H. A. John & C. Sofiya sp. nov. (Apocynaceae) collected from Coimbatore, Tamil Nadu in India is described and illustrated. Morphological differences between the new species and the allied species C. adscendens (Roxb.) Haw. and C. sarkariae Lavranos & Frandsen are discussed.