Asphodelus tenuifolius andA. fistulosus (Liliaceae) are morphologically, genetically, and biologically different species C. Ruiz RejonG. BlancaM. Ruiz Rejon OriginalPaper Pages: 1 - 12
Intraspecific chromosomal polymorphism ofTriticum araraticum (Poaceae) detected by C-banding technique E. D. BadaevaR. L. BoguslavskyA. V. Zelenin OriginalPaper Pages: 13 - 24
Chromosome number of theOxalis tuberosa alliance (Oxalidaceae) Daniel de AzkueArturo Martínez OriginalPaper Pages: 25 - 29
Chemo- and karyotaxonomic studies on some rhizomatous species of the genusSymphytum (Boraginaceae) T. A. JaarsmaE. LohmannsT. M. Malingré OriginalPaper Pages: 31 - 39
Allozyme and life history variation in five northwardly colonizing North American weed species Suzanne I. Warwick OriginalPaper Pages: 41 - 54
A natural hybrid ofMonophyllaea (Gesneriaceae) in the tropical rain forests of West Sumatra Hiroshi Okada OriginalPaper Pages: 55 - 63
Buzz-pollination in three nectariferousBoraginaceae and possible evolution of buzz-pollinated flowers Reuven DukasAmots Dafni OriginalPaper Pages: 65 - 68
Phylogenetic relationships and gene flow between sympatric diploid and tetraploid plants ofDactylis glomerata (Gramineae) Roselyne LumaretEdilberto Barrientos OriginalPaper Pages: 81 - 96
Investigations into the evolutionary history of theAntennaria rosea (Asteraceae: Inuleae) polyploid complex Randall J. Bayer OriginalPaper Pages: 97 - 110
Pollen amino acids—an additional diet for a nectar feeding butterfly? A. ErhardtI. Baker OriginalPaper Pages: 111 - 121