World Health Organisation (WHO) stresses the need for total involvement of traditional systems of medicine to meet the goal "Health for All". The Traditional systems of medicine includes several plants/plant parts known as crude drugs which are used in many therapeutic formulations. Pharmacognostical Assessment of Novel Potential Medicinal plants provide pharmacognostical, physicochemical and chromatography details on 22 drugs (covering 27 species) used in Ayurveda/Siddha/Homoeopathy which are useful in the identification of these drugs and also help to establish biomarker compounds. Some taxa like Asparagus gonoclados, Cryptocoryne spiralis, Flickingeria nodosa, Homonoia riparia, Nothosaerva brachiata, Nymphoides hydrophylla, Nymphoides indica, Smilax zeylanica, Triumfetta rhomboidea are dealt with as potential novel alternate sources for the accepted botanical source. The pharmacognostical features evaluated in this book are useful for the authentication and identification of different species of the medicinal plant/drug. The book will be useful to students and research workers of Pharmacognosy, Ayurveda, Siddha, Botany, herbalists, foresters, natural products, pharmacologists and to all those interested in medicinal plants.