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Garg S, Sivaperuman C, Gokulakrishnan G, Gopika C, Das I, and Biju SD. 2002. The curious case of Charles Darwin’s frog, Rana charlesdarwini Das, 1998: Phylogenetic position and generic placement, with taxonomic insights on other minervaryan frogs (Dicroglossidae: Minervarya) in the Andaman and Nicobar Archipelago. Vertebrate Zoology (72): 169–199 https://doi.org/10.3897/vz.72.e79496 Boris L B, Biju SD, Pereyra Martín O, Araujo-Vieira K, Faivovich J, Grant T. 2022. Hand and foot musculature of Sooglossoidea: synapomorphies, convergences and hind limb digging behaviour in anurans. Biological Journal of the Linnean Society 135 (2): 336–393. https://doi.org/10.1093/biolinnean/blab145 Garg S, Sivaperuman C, Gokulakrishnan G, Chandramouli SR, Biju S.D. 2022. Hiding in Plain Sight: Rain Water Puddles in Nicobar Islands of India Reveal Abundance of a New Frog Species of the Genus Microhyla Tschudi, 1838 (Anura: Microhylidae). Zoological Studies 61:2. https://doi.org/10.6620/ZS.2022.61-02 Bisht K*, Garg S, Sarmah ANDA, Sengupta S, and Biju SD. 2021. Lost, forgotten, and overlooked: systematic reassessment of two lesser-known toad species (Anura, Bufonidae) from Peninsular India and another wide-ranging northern species. Zoosystematics and Evolution 97 (2): 451–470 https://doi.org/10.3897/zse.97.61770 Eprilurahman R, Garg S, Atmaja VY, Alhadi F, Munir M, Ubaidillah R, Arisuryanti T, Biju SD, Smith EN and Hamidy A. 2021. A tiny new species of Microhyla Tschudi, 1838 (Amphibia: Anura: Microhylidae) from Belitung Island and Southeastern Sumatra, Indonesia. Zootaxa 5027(4): 451–488. https://doi.org/10.11646/zootaxa.5027.4.1 Patel NG*, Garg S, Das A, Stuart BL and Biju SD. 2021. Phylogenetic position of the poorly known montane cascade frog Amolops monticola (Ranidae) and description of a new closely related species from Northeast India. Journal of Natural History 55 (21–22): 1403–1440. https://doi.org/10.1080/00222933.2021.1946185 Popular science coverage of this paper in Times of India | Deccan Herald | Indian Express | The Hindu | Northeast today | NDTV | Hindustan Times | Outlook | Arunachal Times | Business standard | The Tribune | among many others Garg S and Biju SD. 2021. DNA barcoding and systematic review of minervaryan frogs (Dicroglossidae: Minervarya) of Peninsular India: Resolution of a taxonomic conundrum with description of a new species. Asian Herpetological Research 12(x): xx–xx. DOI: 10.16373/j.cnki.ahr.210023. http://www.ahr-journal.com/en/oa/darticle.aspx?type=view&id=AHR-2021-0023 Popular science coverage of this paper in The Hindu | Hindustan Times | Times of India | Indian Express | New Indian Express | The Week | Outlook | The Mint | The Tribune | News18 | Jagran | Mathrubhumi | among many others Garg S, Suyesh R, Das S, Bee MA, and Biju SD. 2021. An integrative approach to infer systematic relationships and define species groups in the shrub frog genus Raorchestes, with description of five new species from the Western Ghats, India. PeerJ 9:e10791. https://doi.org/10.7717/peerj.10791 Popular science coverage of this paper in Decan Herald | The Hindu | Mathrubhumi | Malayala Manorama | Times of India | Outlook | among many others Biju SD, Garg S, Gokulakrishnan G, Sivaperuman C, Thammachoti P, Ren J, Gopika C, Bisht K, Hamidy A, and Shouche Y. 2020. New insights on the systematics and reproductive behaviour in tree frogs of the genus Feihyla, with description of a new related genus from Asia (Anura, Rhacophoridae), Zootaxa 4878 (1): 001–055. DOI https://doi.org/10.11646/zootaxa.4878.1.1 Popular science coverage of this paper in Indian Express | The Hindu | Hindustan Times | Decan Herald | Mathrubhumi | Malayala Manorama | Times of India | among many others Mahony S*, Kamei RG, Teeling EC and Biju SD 2020. Taxonomic review of the Asian Horned Frogs (Amphibia: Megophrys Kuhl & Van Hasselt) of Northeast India and Bangladesh previously misidentified as M. parva (Boulenger), with descriptions of three new species Journal of Natural History. DOI https://doi.org/10.1080/00222933.2020.1736679 Biju SD, Garg S, Kamei RG, and Maheswaran G. 2019. A new Microhyla species (Anura: Microhylidae) from riparian evergreen forest in the eastern Himalayan state of Arunachal Pradesh, India. Zootaxa 4674 (1): 100–116. DOI https://doi.org/10.11646/zootaxa.4674.1.5 Popular science coverage of this paper in Indian Express | The Hindu | The Telegraph | Down to Earth | among many others Bossuyt F, Schulte LM, Maex M, Janssenswillen S, Novikova PY, Biju SD, Van de Peer Y, Matthijs S, Roelants K, Martel A, and Van Bocxlaer I. 2019. Multiple Independent Recruitment of Sodefrin Precursor-Like Factors in Anuran Sexually Dimorphic Glands. Molecular Biology and Evolution, msz 115. https://doi.org/10.1093/molbev/msz115 Das A, Garg S, Hamidy A, Smith EN and Biju SD. 2019. A New species of Micrylettafrog (Microhylidae) from Northeast India. PeerJ 7:e7012 DOI https://doi.org/10.7717/peerj.7012 Popular science coverage of this paper in Times of India | Indian Express | Research Matters among many others Alhadi F, Hamidy A, Farajallah A, Munir M, Atmaja VY, Garg S, Biju SD, Smith EN. 2019. Rediscovery of Micryletta inornata (Boulenger, 1890) from Sumatra: redescription, molecular identity and taxonomic implications. Zootaxa 4613(1):111–126 DOI: http://dx.doi.org/10.11646/zootaxa.4613.1.5 Garg S*and Biju SD. 2019. New microhylid frog genus from Peninsular India with Southeast Asian affinity suggests multiple Cenozoic biotic exchanges between India and Eurasia. Scientific Reports 9 (1906): 1–13. DOI https://doi.org/10.1038/s41598-018-38133-x Video | Popular science coverage of this paper in BBC News | The Independent | The Hindu | The Telegraph India | Deaccan Heralad | National Geographic Espania | DsDe Standaard | Times of India | Sroll in | News Minute | Research Matters | Nature in Focus | Mathrubhumi | Malayala Manorama | BBC Indonesia | BBC Tamil | India Science Wire | yahoo news | MSN | NWS | VUB today | Bruzz | among many others Garg S*, Suyesh R, Das A, Jiang J, Wijayathilaka N, Amarasinghe AAT, Alhadi F, Vineeth KK, Aravind NA, Senevirathne G, Meegaskumbura M and Biju SD. 2018. Systematic revision of Microhyla (Microhylidae) frogs of South Asia: a molecular, morphological, and acoustic assessment. Vertebrate Zoology 69(1): 1–71. DOI https://doi.org/10.26049/VZ69-1-2019-01 *Mahony S, Foley NM, Biju SD, Teeling EC. 2017. Evolutionary History of the Asian Horned Frogs (Megophryinae): Integrative approaches to timetree dating in the absence of a fossil record. Molecular Biology and Evolution. doi: 10.1093/molbev/msw267 *Garg S and SD Biju. 2016. Molecular and Morphological Study of Leaping Frogs (Anura, Ranixalidae) with Description of Two New Species. PLoS One: 11(11): e0166326. doi:10.1371/journal. pone.0166326 Popular science coverage of this paper in The Hindu | Times of India among many others Willaert B, Suyesh R, Garg S, Giri VB, Bee MA and SD Biju*. 2016. A unique mating strategy without physical contact during fertilization in Bombay Night Frog (Nyctibatrachus humayuni) with the description of a new form of amplexus and female call. PeerJ4:e2117; doi:10.7717/peerj.2117. https://peerj.com/articles/2117/ Video | Graphical Abstract | Popular science coverage of this paper in Science | The Guardian | National Geographic | New Scientist | Wired | Daily Mail | Houston Chronicle | Science 2.0 | The Science Explorer | Gizmodo | Motherboard | Sandiego News | Times of India | Discover Magazine | Live Science | UK mirror | Zeenews | Kansas City News | New York daily News | How Stuff works | AP (Associated Press) | AFP (Agence France Presse) | The Telegraph | The China Post | NDTV | Science daily | KU TV | Mongabay | ABC News | Eurekalert | Weired Asia News | San Francisco Chronicle | Chicago Suntimes | The Late Show with Stephen Colbert | Nature News | Amphibia Web | Metro UK | NBC News | among many others Senevirathne G, Garg S, Kerney R, Meegaskumbura M and Biju SD. 2016. Unearthing the Fossorial tadpoles of the Indian Dancing Frog family Micrixalidae. PLoS One 11(3): e0151781. doi:10.1371/journal.pone.0151781 Video | Popular science coverage of this paper in Hindu Editorial | BBC | BBC Earth | Discovery News | News Week | The Hindu | Washington Post | Eureka Alert | Mongabay | Science Daily | Times of India | ANI | Business Standard | The Telegraph | Headlines and Global News | The Statesman | among many others Biju SD, Senevirathne G, Sonali G, Mahony S, Kamei RG, Thomas A, Shouche Y, Raxworthy CJ, Meegaskumbura S and Bocxlaer Van I. 2016. Frankixalus, a new rhacophorid genus of tree hole breeding frogs with oophagous tadpoles PLoS One 11(1): e0145727. doi:10.1371/journal.pone.0145727. Video | Popular science coverage of this paper in Nature | BBC News | BBC Global | National Geographic Channel | BBC | The Guardian | Science News | Telegraph UK | New York Times | Associated Press | Washington Post | Daily Mail UK | Independent UK | New Week | The Japan Times | The Australian | BBC News | CNN | News Week | Times of India | among many others Senevirathne G, Thomas A, Kerney R, Hanken J, Biju SD and Meegaskumbura M. 2016. From Clinging to Digging: The Postembryonic Skeletal Ontogeny of the Indian Purple Frog, Nasikabatrachus sahyadrensis (Anura: Nasikabatrachidae). PLoS One 11(3): e0151114. doi:10.1371/journal.pone.0151114. Popular science coverage of this paper in Science News | Eureka Alert | Live Science | among many others *Kamei RG and SD Biju. 2016. On the taxonomic status of Ichthyophis husaini Pillai & Ravichandran, 1999 (Amphibia: Gymnophiona: Ichthyophiidae). Zootaxa 4079 (1): 140–150. Wijayathilaka N, Sonali G, Senevirathne G, Karunarathna N, SD Biju and Meegaskumbura M. 2016. A new species of Microhyla (Anura: Microhylidae) from Sri Lanka: an integrative taxonomic approach. Zootaxa 4066 (3): 331–342. *Ashish T and Biju SD. 2015. Tadpole consumption is a direct threat to the Endangered Purple frog Nasikabatrachus sahyadrensis. Salamandra 51: 252–258. Popular science coverage of this paper in The Hindu | Deccan Herald | Wire | among many others Pedro LV, Frost DR, Richards SJ, Rodrigues MT, Stephen D, Matsui M, Raxworthy CJ, Biju SD, Moriarty E., Lemmon AR and Wheeler WC. 2015. The Impact of Anchored Phylogenomics and Taxon Sampling on Phylogenetic Inference in Narrow mouthed Frogs (Anura, Microhylidae). Cladistics (2015) 1–28. Meegaskumbura M, Senevirathne G, Biju SD, Garg S, Meegaskumbura S, Pethiyagoda R, Hanken J and Schneider CJ. 2015. Patterns of reproductive‐mode evolution in Old World tree frogs (Anura, Rhacophoridae). Zoologica Scripta 5:509–522. Biju SD, Sonali G, Mahony S, Wijayathilaka N, Senevirathne G and Meegaskumbura M. 2014. DNA barcoding, phylogeny and systematics of Golden-backed frogs (Hylarana, Ranidae) of the Western Ghats-Sri Lanka biodiversity hotspot, with the description of seven new species. Contributions to Zoology 83 (4) 269–335. Video | Popular science coverage of this paper in National geographic Channel | The Hindu | Times of India | Hindustan Times | Scroll.in | Mail Today | Mid Day | among many others. Biju SD, Sonali G, Gururaja KV, Yogesh S. and Sandeep AW. 2014. DNA barcoding reveals unprecedented diversity in Dancing Frogs of India (Micrixalidae, Micrixalus): a taxonomic revision with description of 14 new species. Ceylon Journal of Science (Biological Sciences), 43 (1): 37–123. Video | Popular science coverage of this paper in Nature | BBC News | National geographic Channel | The Guardian | The Independent | The Washington Post | The New York Times | The Hindu | Daily Mirror, UK | Scientific American | Mongabay | among many others. *Thomas A, Suyesh R, Biju SD and Bee MA. 2014. Vocal behavior of the elusive Purple frog of India (Nasikabatrachus sahyadrensis), a fossorial species endemic to the Western Ghats PLoS One 9(2). Video | Popular science coverage of this paper in National geographic Channel | Nature | among many others. Biju SD, Kamei RG, Mahony S, Thomas A, Garg S, Suyesh R and Sircar G. 2013. Taxonomic review of the tree frog genus Rhacophorus from the Western Ghats, India (Anura: Rhacophoridae), with description of ontogenetic colour changes and reproductive behavior Zootaxa 3636 (2): 257–289. *Kamei RG, Gower DJ, Wilkinson M and Biju SD. 2013. Systematics of the caecilian family Chikilidae (Amphibia: Gymnophiona) with the description of three new species of Chikila from northeast India Zootaxa 3666 (4): 401–435. Popular science coverage of this paper in Times of India | Deccan Herald | The Pioneer | The Hindu | among many others. Bee MA, Suyesh R and Biju SD. 2013. Vocal behavior in the Ponmudi bush frog: repertoire and individual variation Herpetologica 69, 22-35 *Mahony S, Teeling EC and Biju SD. 2013. Three new species of horned frogs, Megophrys (Amphibia: Megophryidae), from northeast India, with a resolution to the identity of Megophrys boettgeri populations reported from the region. Zootaxa 3722 (2):143–169. Bee MA, Suyesh R and Biju SD. 2013. The vocal repertoire of Pseudophilautus kani, a shrub frog (Anura: Rhacophoridae) from the Western Ghats of India. Bioacoustics 22: 67–85. *Kamei RG, Mauro DS, Gower DJ, Bocxlaer IV, Sherratt E, Thomas A, Babu S, Bossuyt F, Wilkinson M and Biju SD. 2012. Discovery of a new family of amphibians from Northeast India with ancient links to Africa. Proceedings of the Royal Society B, London 279 (1737): 2396–2401. Video | Popular science coverage of this paper in Nature | BBC News | National geographic Channel | The Guardian | UK Daily mail | Times | The New York Times | CNN | The Hindu | Times of India | Hindustan Times | Mongabay | Wildlife Extra | Indian Express | International Business Times US | CBS News | Deccan Herald | among many others. Claude Gascon, James P. Collins, Don R. Church, Robin D. Moore, Franco Andreone, Phil Bishop, SD Biju (and others). 2012. Scaling a global plan into regional strategies for amphibian conservation. Alytes 2012, 29 (1-4):15–27. *Van Bocxlaer I, Biju SD, Willaert B, Giri V, Shouche YS and Bossuyt F. 2011. Mountain-associated clade endemism in an ancient frog family (Nyctibatrachidae) on the Indian subcontinent. Molecular Phylogenetics and Evolution 62: 839–847. *Mahony S, Sengupta S, Kamei RG and Biju SD. 2011. A new low altitude species of Megophrys Kuhl and Van Hasselt (Amphibia: Megophryidae), from Assam, northeast India. Zootaxa 3059: 36–46. Biju SD, Van Bocxlaer I, Mahony S, Dinesh KP, Radhakrishnan C, Zachariah A, Giri, V and Bossuyt F. 2011.A taxonomic review of the Night Frog genus Nyctibatrachus Boulenger, 1882 in the Western Ghats, India (Anura: Nyctibatrachidae) with description of twelve new species. Zootaxa 3029: 1–96. Popular science coverage of this paper in National Geographic Society Channel | Mail Today | Deccan Herald | Times of India | The Hindu | Wired | International Businesses Times US | DNA | TIME | Discovery News | Wildlife Extra | among many others Gower DJ, Diego SM, Giri V, Bhatta G, Venu G, Ramachandran K, Oommen OV, Fatih FA, Mackenzie-Dodds JA, Nussbaum RA, Biju SD, Shouche YS and Wilkinson M. 2011. Molecular systematics of caeciliid caecilians (Amphibia: Gymnophiona) of the Western Ghats, India. Molecular Phylogenetics and Evolution 59: 698–707. Hoffmann M. et al. 2010.The impact of conservation on the status of the world’s vertebrates. Science 330: 1503-1509. Popular science coverage of this paper in Science Daily | among many others *Van Bocxlaer I, Loader SP, Roelants K, Biju SD, Menegon M, Bossuyt F.2010. Gradual adaptation toward a range-expansion phenotype initiated the global radiation of toads. Science 327: 679–682. Popular science coverage of this paper in Science News | The Hindu | among many others Biju SD, Mahony S, Kamei RG. 2010. Description of two new species of torrent frog, Amolops Cope (Anura: Ranidae) from a degrading forest in the northeast Indian state of Nagaland Zootaxa 2408: 31–46. Biju SD, Shouche YS, Dubois A, Dutta SK and Bossuyt F. 2010. A ground-dwelling rhacophorid frog from the highest mountain peak of the Western Ghats of India. Current Science 98: 1119–1125. Popular science coverage of this paper in BBC | Times of India | The Hindu | Deccan Herald | India Today | among many others *Kamei RG, Wilkinson M, Gower DJ and Biju SD. 2009. Three new species of striped Ichthyophis (Amphibia: Gymnophiona: Ichthyophiidae) from the northeast Indian states of Manipur and Nagaland. Zootaxa 2267: 26–42. Popular science coverage of this paper in The Telegraph | The Hindu | Deccan Herald | among many others Biju SD, Van Bocxlaer I, Giri VB, Loader SP and Bossuyt F. 2009. Two new endemic genera and a new species of toad (Anura: Bufonidae) from the Western Ghats of India. BMC Research Notes 2:241. Biju SD. 2009. A novel nesting behaviour of a treefrog, Rhacophoruslateralisin the Western Ghats, India. Current Science 97: 433–437. Popular science coverage of this paper in BBC | The Indian Express | The Hindu | Wildlife Extra | among many others *Van Bocxlaer I, Biju SD, Loader SP andBossuyt F. 2009. Toad radiation reveals into-India dispersal as a source of endemism in the Western Ghats-Sri Lanka biodiversity hotspot. BMC Evolutionary Biology 9:131. Biju SD and Bossuyt F. 2009. Systematics and phylogeny of Philautus Gistel, 1848 (Anura, Rhacophoridae) in the Western Ghats of India, with descriptions of 12 new species. Zoological Journal of the Linnean Society155: 374–444. Popular science coverage of this paper in National Geographic Society Channel | CNN/IBN | Indian Express | among many others Biju SD, Roelants K and F Bossuyt. 2008. Phylogenetic position of the montanetreefrog Polypedates variabilis Jerdon, 1853 (Anura: Rhacophoridae), and description of a related species. Organisms, Diversity and Evolution8: 267–276. Biju SD, Kamei RG, Bhatta G, Giri VB, Cox NA, Das I and Bossuyt F. 2008. Diversity and Conservation Status of the Western Ghats Amphibians. In: Stuart, SN, Hoffmann, M, Chanson, JS, Cox, NA, Berridge, R, Ramani, P & BE Young, eds. Threatened Amphibians of the World. Lynx Ediciones, with IUCN - The World Conservation Union, Conservation International, and Nature Serve, Barcelona. Bain R, Biju SD, Brown R, Das I, Diesmos A, Dutta S, Gower DJ, Inger R, Iskandar D, Kaneko Y, Lau MWN, Meegaskumbura M, Ohler A, PapenfussT, Pethiyagoda R, Stuart B, Wilkinson M and Xie F. 2008. Amphibians of the Indomalayan Realm. In: Stuart, SN, Hoffmann, M, Chanson, JS, Cox, N.A., Berridge, R, Ramani, P & BE Young, eds. Threatened Amphibians of the World. Lynx Ediciones, with IUCN - The World Conservation Union, Conservation International, and NatureServe, Barcelona. Biju SD, Van Bocxlaer, I, Giri VB, Roelants K, Nagaraju J and Bossuyt F. 2007. A new nightfrog, Nyctibatrachus minimussp. nov. (Anura: Nyctibatrachidae): the smallest frog from India. Current Science 93: 854–858. Popular science coverage of this paper in Science Daily | The Hindu | The Telegraph | Wildlife Extra | among many others Roelants K, Gower DJ, Wilkinson M, Loader SP, Biju SD, Guillaume K, Moriau L and F Bossuyt F. 2007. Global patterns of diversification in the history of modern amphibians. Proceedings of the National Academy of Sciences of the United States of America 104: 887–892. *Van Bocxlaer I, Roelants K, Biju SD, Nagaraju J and Bossuyt F. 2006. Late Cretaceous vicariance in Gondwanan amphibians. PLoS ONE 1: e74. Biju SD and F Bossuyt. 2006. Two new species of Philautus (Anura, Ranidae, Rhacophorinae) from the Western Ghats, India. Amphibia-Reptilia 27: 1–9.Biju SD and Bossuyt F. 2005.Two new Philautus (Anura, Ranidae, Rhacophorinae) from Ponmudi Hill in the Western Ghats of India. Copeia 2005: 29–37. Biju SD and Bossuyt F.2005.A new species of frog (Ranidae, Rhacophorinae), Philautus from the rainforest canopy in the Western Ghats, India. Current Science 88: 175–178. Popular science coverage of this paper in The Hindu | Times of India | among many others Biju SD and Bossuyt F. 2005. A new species of Philautus (Anura, Ranidae, Rhacophorinae) from Ponmudi hill in the Western Ghats of India. Journal of Herpetology 39: 349–353. Biju SD and Bossuyt F. 2003. New frog family from India reveals an ancient biogeographical link with the Seychelles. Nature 425: 711–714. Popular science coverage of this paper in Nature | BBC | National Geographic Society Channel | CNN | Times of India | among many others Biju SD. 2003. Reproductive mode in the shrub frog Philautus glandulosus (Jerdon, 1853) (Anura: Rhacophoridae).Current Science 84: 283–284. Biju SD. 2001. A synopsis to the frog fauna of the Western Ghats, India. ISCB- Occasional Publication 1:1–24. Dubois A, Ohler A and Biju SD. 2001. A new genus and species of Ranidae (Amphibia, Anura) from south-western India. Alytes 19: 53–79. Biju SD. 2000. Two frogs and hundred years. Biodiversity India, ISCB- Publication 8-12:10–11. Plant Publications Biju SD. 2002. Lectotypification of two Linnaean specific names in Convolvulaceae. Taxon 51: 755–757. Biju SD. 2002. Relocation of Impatiens anaimudica C. Fischer and taxonomic status of I. konalarensis Chandrab.et al. Rheedea 11: 109–113. Biju SD. 2002. Ipomoea parasitica (Kunth) G. Don (Convolvulaceae): A new record for India. Rheedea 22: 77–79. Sanjappa M, Sathish CK and SD Biju. 2002. Indian Brushes with Orchids: Orchid Icons of Central National Herbarium, Botanical Survey of India and Tropical Botanic Garden and Research Institute- special issue 1–4. Biju SD and M Kumar. 2000. Rediscovery of Impatiens johnii Barnes (Balsaminaceae), An endemic balsam from Eravikulam National Park, Kerala, India. Indian Jour. Forest. 22: 174–176. Biju SD, Pushpangadan P and P Mathew. 1999. Stictocaedia sivarajanii, a new species of Convolvulaceae from Kerala, India. Novon 9: 147-149. Biju SD, Mathew P and M Kumar. 1998. Ipomoea mombassana Vatke (Convolvulaceae)- A new record for India. Jour. Econ. Tax. Bot. 22(2): 471-473. Biju SD. 1999. Chronicles of Discoveries-The Pursuit of Plants, pp. 145-174. Silent Valley-Whispers of Reasons (eds) TM Manoharan, SD Biju, TS Nayar, PS Easa, Kerala Forest Department, Thiruvananthapuram. Biju SD and P Mathew. 1994. Merremia hirta (L.) Merril (Convolvulaceae)- A new record from Peninsular India. Jour. Econ. Tax. Bot. 18: 181–183. Biju SD and P Mathew. 1993. Merremia cissoides (Convolvulaceae)- A new record for India. Jour. Bombay Nat. Hist. Soc. 90: 121–122. Sivarajan VV, Biju SD and P Mathew. 1993. Taxonomy and nomenclature of some India specie of Hedyotis (Rubiaceae). Kew Bull. 48: 391–395. Biju SD, George EJ, Sivarajan VV and P Mathew. 1992. Notes on the identity and nomenclature of two herbaceous species of Hedyotis L. (Rubiaceae). Rheedea 2: 11–18. Sivarajan VV, Biju SD and P Mathew. 1992. Revision of the genus Psilanthus Hook.f. (Rubiaceae, tribe Coffeeae), in India. Bot. Bull. Accademia Sinica 33: 209–224. Mathew P and Biju SD. 1991. Lepistesmon verdcourtii, A new species of Convolvulaceae from India, with notes on L.binectariferumand L. leiocalyx. Kew Bull. 46: 559-562. Sivarajan VV and Biju SD. 1990. Taxonomic and nomenclatural notes on the Hedyotis corymbosa complex (Rubiaceae) in India. Taxon 39: 665–674. Sivarajan VV, Pradeep AK and Biju SD. 1989. Pterocymbium tinctorium (Blanco.) Merr. var. javanicum (R. Br.) Kosterm. (Sterculiaceae)- A new introduction to India. Jour. Forestry 5: 5–8. Rajasekharan S, Pushpangadan P and Biju SD. 1996. Folk medicine of Kerala: A study on native traditional folk healing art and its practitioners, pp. 167–172. Ethnobiology in Human welfare (ed) SK Jain, Deep Publications, New Delhi. Books Edited Books Popular article (2008 onwards) Published 55 articles in The Hindu, The Indian Express, Sanctuary Asia etc.
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