S example: Habenaria periyarensis N. Sasidharan, K.P. Rajesh & J. Augustine in Rheedea, 8(2): 167 (1998); P example: Trichomanes agasthianum (Madhus. & C.A. Hameed) C.A. Hameed, K.P. Rajesh & Madhus. in Hameed et al., Filmy Ferns South India 257. 2003; B example: Trichostomum wayanadense Nair, M.C., K.P. Rajesh & Madhus. Bryophytes Wayanad Western Ghats 119. 2005.