Kew Bulletin Additional Series XIV, Royal Botanic Gardens, 1989 (reprinted in 1994). ISBN 0947643729, paperback
An excellent monograph of bladderworts covering 214 recognized species,
morphology and anatomy of the genus, splendid keys, complete bibliography
and index... According to the review CPN 19(1&2), 1990, p.51-2 by D.E.
Schnell "I can recommend this book without reservation, and it should be
in the personal library of all serious CP students...", see also CPN
All people seriously interested in Utricularia must have this title.