In this issue:

Am. J. Bot. 2000 87: 0. [Full Text]  

Invited Special Paper:

Judith L. Croxdale

Stomatal patterning in angiosperms
Am. J. Bot. 2000 87: 1069-1080. [Abstract] [Full Text]  

Brief Communication:

Daniel R. Taub

Climate and the U.S. distribution of C₄ grass subfamilies and decarboxylation variants of C₄ photosynthesis
Am. J. Bot. 2000 87: 1211-1215. [Abstract] [Full Text]  

Ecology:

Troy C. Barrilleaux and James B. Grace

Growth and invasive potential of Sapium sebiferum (Euphorbiaceae) within the coastal prairie region: the effects of soil and moisture regime
Am. J. Bot. 2000 87: 1099-1106. [Abstract] [Full Text]  

James D. Mauseth

Theoretical aspects of surface-to-volume ratios and water-storage capacities of succulent shoots
Am. J. Bot. 2000 87: 1107-1115. [Abstract] [Full Text]  

Ecophysiology:

Abad Chabbi, Karen L. McKee, and Irving A. Mendelssohn

Fate of oxygen losses from Typha domingensis (Typhaceae) and Cladium jamaicense (Cyperaceae) and consequences for root metabolism
Am. J. Bot. 2000 87: 1081-1090. [Abstract] [Full Text]  

Genetics and Molecular Biology:

Steven E. Travers and Timothy P. Holtsford

Differential siring success of Pgi genotypes in Clarkia Unguiculata (Onagraceae)
Am. J. Bot. 2000 87: 1091-1098. [Abstract] [Full Text]  

Population Biology:

Markus Fischer, René Husi, Daniel Prati, Markus Peintinger, Mark van Kleunen, and Bernhard Schmid

RAPD variation among and within small and large populations of the rare clonal plant Ranunculus reptans (Ranunculaceae)
Am. J. Bot. 2000 87: 1128-1137. [Abstract] [Full Text]  

Amy T. Wolf, Robert W. Howe, and James L. Hamrick

Genetic diversity and population structure of the serpentine endemic Calystegia collina (Convolvulaceae) in northern California
Am. J. Bot. 2000 87: 1138-1146. [Abstract] [Full Text]  

Adrienne L. Edwards and Rebecca R. Sharitz

Population genetics of two rare perennials in isolated wetlands: Sagittaria isoetiformis and S. teres (Alismataceae)
Am. J. Bot. 2000 87: 1147-1158. [Abstract] [Full Text]  

Pteridology:

Edward K. Kentner and Michael R. Mesler

Evidence for natural selection in a fern hybrid zone
Am. J. Bot. 2000 87: 1168-1174. [Abstract] [Full Text]  

Reproductive Biology:

Lilin Xiang, Charles R. Werth, Stacie N. Emery, and David E. McCauley

Population-specific gender-biased hybridization between Dryopteris intermedia and D. carthusiana: evidence from chloroplast DNA
Am. J. Bot. 2000 87: 1175-1180. [Abstract] [Full Text]  

Takakazu Yumoto

Bird-pollination of three Durio species (Bombacaceae) in a tropical rainforest in Sarawak, Malaysia
Am. J. Bot. 2000 87: 1181-1188. [Abstract] [Full Text]  

H. Lloyd Mogensen and Maxine Losoff Rusche

Occurrence of plastids in rye (Poaceae) sperm cells
Am. J. Bot. 2000 87: 1189-1192. [Abstract] [Full Text]  

Raj Chaubal, Carla Zanella, Mary R. Trimnell, Tim W. Fox, Marc C. Albertsen, and Patricia Bedinger

Two male-sterile mutants of Zea Mays (Poaceae) with an extra cell division in the anther wall
Am. J. Bot. 2000 87: 1193-1201. [Abstract] [Full Text]  

Structure and Development:

James L. Seago Jr., Carol A. Peterson, and Daryl E. Enstone

Cortical development in roots of the aquatic plant Pontederia cordata (Pontederiaceae)
Am. J. Bot. 2000 87: 1116-1127. [Abstract] [Full Text]  

Systematics:

Maximilian Weigend, Johanna Kufer, and Andreas A. Müller

Phytochemistry and the systematics and ecology of Loasaceae and Gronoviaceae (Loasales)
Am. J. Bot. 2000 87: 1202-1210. [Abstract] [Full Text]  

Systematics and Evolution:

Andrew J. Lowe and Richard J. Abbott

Routes of origin of two recently evolved hybrid taxa: Senecio vulgaris var. hibernicus and York radiate groundsel (Asteraceae)
Am. J. Bot. 2000 87: 1159-1167. [Abstract] [Full Text]  

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