Ferns and Fern - Allies of Anurachal Pradesh, Tirap District (India). 2 volumes. 2005. 227 col. photogr. 55 b/w photographs. 305 line - drawings. XXXVI, 881 p. 4to. Hardcover.

Deals with 305 taxa out of an estimated total of 1100 Indian species of Pteridophytes, more than 50% representing endemics. The geographical area covered is one of the biodiversically richest areas in India,and has special significance due the overlapping of its endemics with Burma, China and Sino - Japanese areas. Parts of the studied area are still botanically terra incognita. - Classification, nomenclature at family, generic and species level, fourty eight new taxa described,Latin diagnoses and photographs of Holotype/ Isotype/ Paratype. Type and/or authentic specimens available at CAL and other herbaria have been studied and cited, detailed descriptions of habit, fronds,dermal appendages, sori, sporangium, spores etc., keys for families,genera and species, latest nomenclature for each taxon, and critical comments. - A 4.2 kg set.