In this issue:

Am. J. Bot. 2000 87: 0. [Full Text]  

Invited Special Paper:

Michael L. Cain, Brook G. Milligan, and Allan E. Strand

Long-distance seed dispersal in plant populations
Am. J. Bot. 2000 87: 1217-1227. [Abstract] [Full Text]  

Ecology:

Tim J. Tibbetts and Frank W. Ewers

Root pressure and specific conductivity in temperate lianas: exotic Celastrus orbiculatus (Celastraceae) vs. native Vitis riparia (Vitaceae)
Am. J. Bot. 2000 87: 1272-1278. [Abstract] [Full Text]  

Sharon E. King and James B. Grace

The effects of gap size and disturbance type on invasion of wet pine savanna by cogongrass, Imperata cylindrica (Poaceae)
Am. J. Bot. 2000 87: 1279-1286. [Abstract] [Full Text]  

William T. Pockman and John S. Sperry

Vulnerability to xylem cavitation and the distribution of Sonoran Desert vegetation
Am. J. Bot. 2000 87: 1287-1299. [Abstract] [Full Text]  

Paleobotany:

Patrick S. Herendeen and Bonnie F. Jacobs

Fossil legumes from the Middle Eocene (46.0 Ma) Mahenge Flora of Singida, Tanzania
Am. J. Bot. 2000 87: 1358-1366. [Abstract] [Full Text]  

Population Biology:

Rebecca A. Pappert, J. L. Hamrick, and Lisa A. Donovan

Genetic variation in Pueraria lobata (Fabaceae), an introduced, clonal, invasive plant of the southeastern United States
Am. J. Bot. 2000 87: 1240-1245. [Abstract] [Full Text]  

Reproductive Biology:

Steven R. Griffin, Katherine Mavraganis, and Christopher G. Eckert

Experimental analysis of protogyny in Aquilegia canadensis (Ranunculaceae)
Am. J. Bot. 2000 87: 1246-1256. [Abstract] [Full Text]  

Wendy J. Garrison, Gary L. Miller, and Richard Raspet

Ballistic seed projection in two herbaceous species
Am. J. Bot. 2000 87: 1257-1264. [Abstract] [Full Text]  

Gabriele Schmidt-Adam, Andrew G. Young, and Brian G. Murray

Low outcrossing rates and shift in pollinators in New Zealand pohutukawa (Metrosideros excelsa; Myrtaceae)
Am. J. Bot. 2000 87: 1265-1271. [Abstract] [Full Text]  

Structure and Development:

Christopher R. Hardy, Dennis Wm. Stevenson, and Helen G. Kiss

Development of the gametophytes, flower, and floral vasculature in Dichorisandra thyrsiflora (Commelinaceae)
Am. J. Bot. 2000 87: 1228-1239. [Abstract] [Full Text]  

Systematics:

L. Alan Prather, Carolyn J. Ferguson, and Robert K. Jansen

Polemoniaceae phylogeny and classification: implications of sequence data from the chloroplast gene ndhF
Am. J. Bot. 2000 87: 1300-1308. [Abstract] [Full Text]  

James E. Richardson, Michael F. Fay, Quentin C. B. Cronk, Diane Bowman, and Mark W. Chase

A phylogenetic analysis of Rhamnaceae using rbcL and trnL-F plastid DNA sequences
Am. J. Bot. 2000 87: 1309-1324. [Abstract] [Full Text]  

Mari Källersjö, Gullevi Bergqvist, and Arne A. Anderberg

Generic realignment in primuloid families of the Ericales s.l.: a phylogenetic analysis based on DNA sequences from three chloroplast genes and morphology
Am. J. Bot. 2000 87: 1325-1341. [Abstract] [Full Text]  

George D. Weiblen

Phylogenetic relationships of functionally dioecious FICUS (Moraceae) based on ribosomal DNA sequences and morphology
Am. J. Bot. 2000 87: 1342-1357. [Abstract] [Full Text]  

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