Brief Communication:

Is Phellinites digiustoi the oldest homobasidiomycete?

DS Hibbett, MJ Donoghue, and PB Tomlinson
Am. J. Bot. 1997 84: 1005. [Abstract] [PDF]

BRIEF COMMUNICATION Geographic parthenogenesis in a tropical forest tree

SC Thomas
Am. J. Bot. 1997 84: 1012. [Abstract] [PDF]

Ecology:

Climate influences on growth and reproduction of Pinus banksiana (Pinaceae) at the limit of the species distribution in eastern North America

E Despland and G Houle
Am. J. Bot. 1997 84: 928. [Abstract] [PDF]

Effects of fire on sandhill herbs: nutrients, mycorrhizae, and biomass allocation

RC Anderson and ES Menges
Am. J. Bot. 1997 84: 938. [Abstract] [PDF]

Root distribution and seasonal production in the northwestern Sonoran Desert for a C3 subshrub, a C4 bunchgrass, and a CAM leaf succulent

PS Nobel
Am. J. Bot. 1997 84: 949. [Abstract] [PDF]

Paleomycology and Paleobotany:

Fossil mushrooms from Miocene and Cretaceous ambers and the evolution of Homobasidiomycetes

DS Hibbett, D Grimaldi, and MJ Donoghue
Am. J. Bot. 1997 84: 981. [Abstract] [PDF]

A cyanolichen from the Lower Devonian Rhynie chert

TN Taylor, H Hass, and H Kerp
Am. J. Bot. 1997 84: 992. [Abstract] [PDF]

Physiology and Development:

The Maryland mammoth allele reduces floral stimulus activity in stem piece explants of Nicotiana tabacum (Solanaceae)

SME Smith, CN McDaniel, and LK Hartnett
Am. J. Bot. 1997 84: 873. [Abstract] [PDF]

Population Biology:

Frequency and direction of hybridization in sympatric populations of Pinus taeda and P. echinata (Pinaceae)

MA Edwards-Burke, JL Hamrick, and RA Price
Am. J. Bot. 1997 84: 879. [Abstract] [PDF]

Ontogenetic phenotypic plasticity during the reproductive phase in Arabidopsis thaliana (Brassicaceae)

M Pigliucci
Am. J. Bot. 1997 84: 887. [Abstract] [PDF]

Hybridization and introgression in Carpobrotus spp. (Aizoaceae) in California. I. Morphological evidence

ME Albert, CM D'Antonio, and KA Schierenbeck
Am. J. Bot. 1997 84: 896. [Abstract] [PDF]

Hybridization and introgression in Carpobrotus spp. (Aizoaceae) in California. II. Allozyme evidence

KG Gallagher, KA Schierenbeck, and CM D'Antonio
Am. J. Bot. 1997 84: 905. [Abstract] [PDF]

Reproductive Biology:

Self-incompatibility RNases from three plant families: homology or convergence?

AD Richman, W Broothaerts, and JR Kohn
Am. J. Bot. 1997 84: 912. [Abstract] [PDF]

Comparative pollination biology of Venezuelan columnar cacti and the role of nectar-feeding bats in their sexual reproduction

JM Nassar, N Ramirez, and O Linares
Am. J. Bot. 1997 84: 918. [Abstract] [PDF]

Systematics:

Origin and relationships of Saintpaulia (Gesneriaceae) based on ribosomal DNA internal transcribed spacer (ITS) sequences

M Moller and QCB Cronk
Am. J. Bot. 1997 84: 956. [Abstract] [PDF]

Phylogenetic relationships of the Raphidophyceae and Xanthophyceae as inferred from nucleotide sequences of the 18S ribosomal RNA gene

D Potter, GW Saunders, and RA Andersen
Am. J. Bot. 1997 84: 966. [Abstract] [PDF]

Phylogenetic relationships of Rhododendroideae (Ericaceae)

KA Kron
Am. J. Bot. 1997 84: 973. [Abstract] [PDF]

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