Phylogenetic evidence for the herbaceous origin of angiosperms David Winship TaylorLeo J. Hickey OriginalPaper Pages: 137 - 156
Estimates of hierarchical variation in flower morphology in natural populations ofScleranthus annuus (Caryophyllaceae), an inbreeding annual Linus Svensson OriginalPaper Pages: 157 - 180
The evaluation of characters in lichenized families, exemplified with the alectorioid and some parmelioid genera I. KärnefeltA. Thell OriginalPaper Pages: 181 - 204
Phenotypic plasticity inLemna minor (Lemnaceae) Liette VasseurLonnie W. Aarssen OriginalPaper Pages: 205 - 219
Ruellia sect.Urceolata (Acanthaceae), a novel species complex from southern Mexico T. P. Ramamoorthy OriginalPaper Pages: 221 - 225
Intrapopulation variation in the breeding system ofVillarsia lasiosperma (Menyanthaceae), a distylous species Robert Ornduff OriginalPaper Pages: 227 - 233
Phylogenetic systematics of New WorldIpomoea (Convolvulaceae) based on chloroplast DNA restriction site variation J. Andrew McDonaldTom J. Mabry OriginalPaper Pages: 243 - 259