CAL , , . Jawaharlal Nehru Tropical Botanical Garden and Research Institute Thiruvananthapuram, Kerala TBGRI , . Presidency College Herbarium, Chennai. PCM , S.No Herbarium Year Established Acronym Number of specimens .
Museum National d’Histoire Naturelle , Paris, France P ,PC , , . New York Botanical Garden, Bronx, New York, U.S.A NY , , . Komarov Botanical Institute, St.Petersburg (Leningrad), Russia LE , , . Royal Botanic Gardens, Kew, England, U.K K , , .
Types of classification Taxonomic entities are classified in three ways. They are artificial classification, natural classification and phylogenetic classification. . .
Artificial system of classification classes recognized by Linnaeus in his Species Plantarum ( ) on the basis of stamens. No. Classes Characters Monandria stamen one Diandria stamens two Triandria stamens three Tetrandria stamens four Pentandria stamens five up to th class Cryptogamia flowerless plants Carolus Linnaeus ( - ) was a great Swedish Botanist and said to be the “ Father of Taxonomy .” He outlined an artificial system of classification in “ Species Plantarum ” in , wherein he listed and described , species and arranged in classes mostly on the basis of number, union (adhesion and cohesion), length, and distribution of stamens. The classes were further subdivided on the basis of carpel characteristics into orders.
Hence the system of classification is also known as sexual system of classification . This system of classification though artificial, was continued for more than years after the death of Linnaeus, due to its simplicity and easy way of identification of plants. However the system could not hold good due to the following reasons. Figure .
: Carolus Linnaeus Botanical Survey of India On February , a survey was formally constituted and designated as the Botanical Survey of India. After independence, the need was felt for a more comprehensive documentation of the country’s plant resources to boost the economy. Padmashree Dr.E.K.Janaki Ammal was appointed as officer on special Duty on 14th Oct . Then reorganization plan was finally approved by the Govt.