| A review on the medicinal and edible aspects of aquatic and wetland plants of India MM Swapna, R Prakashkumar, KP Anoop, CN Manju, NP Rajith Journal of Medicinal plants research, 7163-76, 2011 | 103 | 2011 |
| Eriocaulon madayiparense (Eriocaulaceae)–A new species from the foot hills of the Western Ghats of India MM Swapna, KP Rajesh, CN Manju, R Prakashkumar PhytoKeys, 19, 2012 | 29 | 2012 |
| Lejeuneaceae (Marchantiophyta) of the Western Ghats, India CN Manju, T Pócs, KP Rajesh, R Prakashkumar Acta biologica plantarum agriensis 2, 125-145, 2012 | 26 | 2012 |
| Studies on the allergenicity of nine tropical pollen allergens. PMMPR R Prakashkumar Grana 37 (-), 185-188, 1998 | 20 | 1998 |
| On the identity of Riccia fluitans (Ricciaceae: Marchantiophyta) in India CN Manju, KP Rajesh, R Prakashkumar Acta Biologica Plantarum Agriensis 2, 115-124, 2012 | 13 | 2012 |
| Comparative analysis of aerospora of two urban localities in Kerala PRPKKN TV Gopi, R Prakashkumar Indian Journal of Aerobiology 3 (1&2), 39-44, 1990 | 13* | 1990 |
| Trichosteleum stigmosum Mitt.(Sematophyllaceae) from Silent Valley National Park, a New Record for India CN Manju, R Prakashkumar, B Prajitha, VK Rajilesh, KP Anoop Taiwania 57 (2), 222-224, 2012 | 10 | 2012 |
| Bryophyte diversity of Kakkavayal Reserve Forest in the Western Ghats, Kerala PKRRP Manju C.N, K.P. Rajesh, S. Jitha Archive for Bryology 108, 1-7, 2011 | 9* | 2011 |
| Anticancer activity of Acanthus illicifolius linn. from Chettuva mangroves, Kerala, India RB Smitha, PV Madhusoodanan, R Prakashkumar Int. J. Bioassays 3 (11), 2014 | 8 | 2014 |
| Eriocaulon madayiparense (Eriocaulaceae)–a new species from the foot hills of the Western Ghats of India. Phytokeys 10: 19–23 MM Swapna, KP Rajesh, CN Manju, R Prakashkumar | 8 | 2012 |
| The occurrence of Meliolaceae ascospores in the air of Kerala, India TS Nayar, VB Hosagoudar, R Prakashkumar, PS Jothish, KM Thripthi Taylor & Francis Group 37 (4), 253-254, 1998 | 8 | 1998 |
| Isolation and taxonomy of the blue-green algae (Cyanobacteria), Nostoc and Anabaena in Kerala State, India TS Thilak, PV Madhusoodanan, NS Pradeep, R Prakashkumar Acta Botanica Hungarica 62 (1-2), 163-174, 2020 | 7 | 2020 |
| Eugenia kalamii (Myrtaceae), a new species from Western Ghats, India SM Shareef, ESS Kumar, T Shaju, R Prakashkumar Plant Science Today 5 (4), 196-200, 2018 | 7 | 2018 |
| A Floristic analysis of the aquatic, Marshy & Wetland plants of Idukki District, Kerala VK Rajilesh, KP Anoop, PV Madhusoodanan, R Ansari, R Prakashkumar India Int. J. Plant Anim. Environ. Sci 6, 55-65, 2016 | 7 | 2016 |
| Studies on Cassia pollen grains of India”. GRRPKKN R Satheesh, R Prakashkumar, JC Jose International Archives of Allergy and Immunology. 103, 280-285, 1994 | 7 | 1994 |
| Contribution to the Bryophyte flora of India: Silent valley National park in the Western Ghats, India CN Manju, VK Rajilesh, B Prajitha, R Prakashkumar, KP Rajesh Acta Biologica Plantarum Agriensis 3, 73-98, 2015 | 6 | 2015 |
| Cryopreservation of Medicinal Plant Systems: Progress, Problems and Prospects. PE Rajasekharan, R Prakashkumar IUP Journal of Genetics & Evolution 3 (2), 2010 | 6 | 2010 |
| Evolutionary history of Kingiodendron pinnatum (Fabaceae: Caesalpinoideae), an endangered species of the Western Ghats, India: a phylogeographical approach RR Nair, S Karumathil, PS Udayan, RP Prakashkumar, AN Sérsic Biological Journal of the Linnean Society 126 (4), 688-705, 2019 | 5 | 2019 |
| The genus Calycularia (Marchantiophyta) in Kerala part of the Western Ghats CN Manju, VK Rajilesh, KM Deepa, R Prakashkumar Acta Botanica Hungarica 57 (3-4), 401-406, 2015 | 5 | 2015 |
| Variability in the chemical constituents in the roots of Coleus forskohlii from different geographical regions of India V Revadigar, S Shashidhara, PE Rajasekharan, NS Pradeep, ... Acta horticulturae 765, 245-254, 2008 | 5 | 2008 |
