1, 1990: Pteridophytes and gymnosperms editors:¹K.U. Kramer and P.S. Green assisted by E. Götz 2,¹Flowering plants, dicotyledons: Magnoliid,¹Hamamelid, and Caryophyllid families editors, K.¹Kubitzki, J.G. Rohwer, and V. Bittrich 3, 1998:¹Flowering plants, Monocotyledons: Lilianae¹(except Orchidaceae), in collaboration with H. Huber¹... [et al.] 4, 1998: Flowering plants,¹Monocotyledons: Alismatanae and Commelinanae¹(except Gramineae), in collaboration with H. Huber5¹... [et al.] 5, 2002: Flowering plants,¹Dicotyledons: Malvales, Capparales, and¹non-betalain Caryophyllales, in collaboration with¹C. Bayer