In this issue:

Am. J. Bot. 2001 89: 0. [Full Text]  

Ecology:

Molly E. Hunter and Eric S. Menges

Allelopathic effects and root distribution of Ceratiola ericoides (Empetraceae) on seven rosemary scrub species
Am. J. Bot. 2002 89: 1113-1118. [Abstract] [Full Text]  

Josef Daniel Ackerman

Diffusivity in a marine macrophyte canopy: implications for submarine pollination and dispersal
Am. J. Bot. 2002 89: 1119-1127. [Abstract] [Full Text]  

Population Biology:

Renaud Vitalis, Miquel Riba, Bruno Colas, Patrick Grillas, and Isabelle Olivieri

Multilocus genetic structure at contrasted spatial scales of the endangered water fern Marsilea strigosa Willd. (Marsileaceae, Pteridophyta)
Am. J. Bot. 2002 89: 1142-1155. [Abstract] [Full Text]  

Salvador Montes-Hernandez and Luis E. Eguiarte

Genetic structure and indirect estimates of gene flow in three taxa of Cucurbita (Cucurbitaceae) in western Mexico
Am. J. Bot. 2002 89: 1156-1163. [Abstract] [Full Text]  

Reproductive Biology:

Atsushi Kawakita and Makoto Kato

Floral biology and unique pollination system of root holoparasites, Balanophora kuroiwai and B. tobiracola (Balanophoraceae)
Am. J. Bot. 2002 89: 1164-1170. [Abstract] [Full Text]  

Elena Torres, José M. Iriondo, and César Pérez

Vulnerability and determinants of reproductive success in the narrow endemic Antirrhinum microphyllum (Scrophulariaceae)
Am. J. Bot. 2002 89: 1171-1179. [Abstract] [Full Text] [Supplemental Data]  

Structure and Development:

P. Barry Tomlinson and Russell Spangler

Developmental features of the discontinuous stem vascular system in the rattan palm Calamus (Arecaceae-Calamoideae-Calamineae)
Am. J. Bot. 2002 89: 1128-1141. [Abstract] [Full Text]  

Systematics:

Sylvain G. Razafimandimbison and Birgitta Bremer

Phylogeny and classification of Naucleeae s.l. (Rubiaceae) inferred from molecular (ITS, rBCL, and tRNT-F) and morphological data
Am. J. Bot. 2002 89: 1027-1041. [Abstract] [Full Text]  

Eve Emshwiller and Jeff J. Doyle

Origins of domestication and polyploidy in oca (Oxalis Tuberosa: Oxalidaceae). 2. Chloroplast-expressed glutamine synthetase data
Am. J. Bot. 2002 89: 1042-1056. [Abstract] [Full Text] [Supplemental Data]  

Colin E. Hughes, C. Donovan Bailey, and Stephen A. Harris

Divergent and reticulate species relationships in Leucaena (Fabaceae) inferred from multiple data sources: insights into polyploid origins and nrDNA polymorphism
Am. J. Bot. 2002 89: 1057-1073. [Abstract] [Full Text]  

Jason T. Rauscher

Molecular phylogenetics of the Espeletia complex (Asteraceae): evidence from nrDNA ITS sequences on the closest relatives of an Andean adaptive radiation
Am. J. Bot. 2002 89: 1074-1084. [Abstract] [Full Text] [Supplemental Data]  

Stefanie Hartmann, John D. Nason, and Debashish Bhattacharya

Phylogenetic origins of Lophocereus (Cactaceae) and the senita cactus–senita moth pollination mutualism
Am. J. Bot. 2002 89: 1085-1092. [Abstract] [Full Text]  

Paul M. Beardsley and Richard G. Olmstead

Redefining Phrymaceae: the placement of Mimulus, tribe Mimuleae, and Phryma
Am. J. Bot. 2002 89: 1093-1102. [Abstract] [Full Text] [Supplemental Data]  

Raymund Chan, Bruce G. Baldwin, and Robert Ornduff

Cryptic goldfields: a molecular phylogenetic reinvestigation of Lasthenia californica sensu lato and close relatives (Compositae: Heliantheae sensu lato)
Am. J. Bot. 2002 89: 1103-1112. [Abstract] [Full Text] [Supplemental Data]  

Tropical Biology:

Patrick Heuret, Daniel Barthélémy, Yann Guédon, Xavier Coulmier, and Juliette Tancre

Synchronization of growth, branching and flowering processes in the South American tropical tree Cecropia obtusa (Cecropiaceae)
Am. J. Bot. 2002 89: 1180-1187. [Abstract] [Full Text]  

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