In this issue:

Am. J. Bot. 2004 91: 0. [Full Text]  

Bryology and Lichenology:

Lloyd R. Stark, Lorenzo Nichols, II, D. Nicholas McLetchie, Stanley D. Smith, and Christopher Zundel

Age and sex-specific rates of leaf regeneration in the Mojave Desert moss Syntrichia caninervis
Am. J. Bot. 2004 91: 1-9. [Abstract] [Full Text]  

Paleobotany:

Aude Soria and Brigitte Meyer-Berthaud

Tree fern growth strategy in the Late Devonian cladoxylopsid species Pietzschia levis from the study of its stem and root system
Am. J. Bot. 2004 91: 10-23. [Abstract] [Full Text]  

Population Biology:

Mi Yoon Chung, John D. Nason, and Myong Gi Chung

Spatial genetic structure in populations of the terrestrial orchid Cephalanthera longibracteata (Orchidaceae)
Am. J. Bot. 2004 91: 52-57. [Abstract] [Full Text]  

Paola Vanesa Casiva, Juan César Vilardi, Ana María Cialdella, and Beatriz O. Saidman

Mating system and population structure of Acacia aroma and A. macracantha (Fabaceae)
Am. J. Bot. 2004 91: 58-64. [Abstract] [Full Text]  

Yasuyuki Watano, Akiko Kanai, and Naoki Tani

Genetic structure of hybrid zones between Pinus pumila and P. parviflora var. pentaphylla (Pinaceae) revealed by molecular hybrid index analysis
Am. J. Bot. 2004 91: 65-72. [Abstract] [Full Text] [Supplemental Data]  

Reproductive Biology:

Gary J. Houliston and Hazel M. Chapman

Reproductive strategy and population variability in the facultative apomict Hieracium pilosella (Asteraceae)
Am. J. Bot. 2004 91: 37-44. [Abstract] [Full Text]  

Lynda F. Delph

Testing for sex differences in biparental inbreeding and its consequences in a gynodioecious species
Am. J. Bot. 2004 91: 45-51. [Abstract] [Full Text]  

Structure and Development:

Xiufu Zhang, Karen L. Wilson, and Jeremy J. Bruhl

Sympodial structure of spikelets in the tribe Schoeneae (Cyperaceae)
Am. J. Bot. 2004 91: 24-36. [Abstract] [Full Text] [Supplemental Data]  

Systematics:

Steven A. Trewick, Mary Morgan-Richards, and Hazel M. Chapman

Chloroplast DNA diversity of Hieracium Pilosella (Asteraceae) introduced to New Zealand: reticulation, hybridization, and invasion
Am. J. Bot. 2004 91: 73-85. [Abstract] [Full Text]  

Fernando Nuez, Jaume Prohens, and José M. Blanca

Relationships, origin, and diversity of Galápagos tomatoes: implications for the conservation of natural populations
Am. J. Bot. 2004 91: 86-99. [Abstract] [Full Text]  

Kyle J. Williams, W. John Kress, and Paul S. Manos

The phylogeny, evolution, and classification of the genus Globba and tribe Globbeae (Zingiberaceae): appendages do matter
Am. J. Bot. 2004 91: 100-114. [Abstract] [Full Text] [Supplemental Data]  

Marcus Koch and Karl-Georg Bernhardt

Comparative biogeography of the cytotypes of annual Microthlaspi perfoliatum (Brassicaceae) in Europe using isozymes and cpDNA data: refugia, diversity centers, and postglacial colonization
Am. J. Bot. 2004 91: 115-124. [Abstract] [Full Text]  

Daniel L. Nickrent, Miguel A. García, Maria P. Martín, and Robert L. Mathiasen

A phylogeny of all species of Arceuthobium (Viscaceae) using nuclear and chloroplast DNA sequences
Am. J. Bot. 2004 91: 125-138. [Abstract] [Full Text] [Supplemental Data]  

Gloria D. Hoggard, Paul J. Kores, Mia Molvray, and Ronald K. Hoggard

The phylogeny of Gaura (Onagraceae) based on ITS, ETS, and trnL-F sequence data
Am. J. Bot. 2004 91: 139-148. [Abstract] [Full Text] [Supplemental Data]  

John V. Freudenstein, Cássio van den Berg, Douglas H. Goldman, Paul J. Kores, Mia Molvray, and Mark W. Chase

An expanded plastid DNA phylogeny of Orchidaceae and analysis of jackknife branch support strategy
Am. J. Bot. 2004 91: 149-157. [Abstract] [Full Text] [Supplemental Data]  

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