Polarity and competition between megaspores in the ovule ofOenothera hybrids Renata SnieżkoCornelia Harte OriginalPaper Pages: 83 - 97
Salix martiana, a regularly hermaphrodite willow Jens RohwerKlaus Kubitzki OriginalPaper Pages: 99 - 101
Differentiation of perennial and annual types due to habitat conditions in the wild riceOryza perennis H. MorishimaY. SanoH. I. Oka OriginalPaper Pages: 119 - 135
Notes on the variation, geographical distribution and ecology ofEuastrum insulare var.basichondrum (Chlorophyta,Desmidiaceae) P. F. M. Coesel OriginalPaper Pages: 137 - 147
Eine neueCampanula-Art aus dem ostafghanisch-westpakistanischen Grenzgebiet K. H. Rechinger OriginalPaper Pages: 149 - 150
Chromosome counts inCalea (Asteraceae-Heliantheae) John F. PruskiLowell E. Urbatsch Short Communication Pages: 151 - 153