AMERICAN JOURNAL OF BOTANY 

Volume 91,  Number 1, January 2004 

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Bryology and Lichenology
 

          Age and sex-specific rates of leaf regeneration in the Mojave Desert Moss  Syntrichia Caninervis

             LLOYD R. STARK, LORENZO NICHOLS  II ,  D. NICHOLAS  MCLETCHIE,STANLEY D.

             SMITH, AND CHRISTORHER ZUNDEL                                                                                      1

 

Paleobotany
 

            Tree fern growth strategy in the late Devonian cladoxylopsid species Pietzschia levis from the study

            of its stem and root system

            AUDE SORIA AND BRIGITTE MEYER-BERTHAUD                                                                  10       

 

Stracture and development
 

            Sympodial structure of spikelets in the tribe Schoeneae (Cyperaceae)

            XIUFU ZHANG, KAREN L. WILSON AND JEREMY J.BRUHL                                                 24

 

Reproductive Biology
 

            Reproductive strategy and population variability in the facultative apomict Hieracium Pilosella
            (Asteraceae)

            GARY J. HOULISTON AND HAZEL  M. CHAPMAN                                                                 37

 

            Testing for sex differences in biparental inbreeding and its consquances  in a gynodioecious species

            LYNDA  F. DELPH                                                                                                                         45

 

Population Biology
 

            Spatial  genetic structure In populations of the terrestrial orchid Cephalanthera longibracteata

            (Orchidaceae)

            MI YOON CHUNG, JOHN D. NASON, AND  MYONG GI GHUNG                                         52

 

            Mating system and population  structure of Acacia aroma and A,macracantha (Fabaceae)

            PAOLA VANESA CASIVA, JUAN CESAR  VILARDI, ANA MARIA CIALDELLA  AND 
            BEATRIZ O. SAIDMAN                                                                                                                 58

 

            Genetic structure of hybrid  zones between  Pinus pumila and  P.parviflora var. pentaphylla

            (Pinaceae) revealed by molecular hybrid  index analysis

            YASUYUKI WATANO, AKIKO KANAI, AND NAOKI  TANI                                                  65

 

Systematics
 

            Chloroplast DNA diversity of Hieracium pilosella (Asteraceae) introduced to New Zealand :

            reticulation, hybridization, and invasion

            STEVEN A. TREWICK, MARY MORGAN-RICHARDS AND HAZEL M. CHAPMAN             73

 

            Relation ships, origin, and diversity of Galapagos tomatoes:  implications for the conservation

            of natural populations.

            FERNANDO NUEZ, JAUME PROHENS, AND JOSE M. BLANCA                                            86

 

            The phylogeny, evolution, and classification of the genus  Globba  and tribe Globba and tribe

            Globbeae (Zingiberaceae) :  appendages do  matter

            KYLE. J.WILLIAMS,  W.JOHN KRESS, AND PAUL  S.MANOS                                              100

 

            Comprative  biogeography of the cytotypes of annual Microthlaspi perfoliatum (Brassicaceae)

            in Europe using  isozymes and  cpDNA data: refugia, diversity centers, and postglacial colonization

            MARCUS KOCH AND KARL –GEORG BERNHAROT                                                              115

 

            A phylogeny of all species of  Arceuthobium (Viscaceae) using nuclear  and chloroplast  DNA

            sequences

            DANIEL L. NICKRENT, MIGUEL A.GARCIA,MARIA P.MARTIN,  AND

            ROBERT L.MATHIASEN                                                                                                               125

 

            The  phylogeny of  Gaura (Onagraceae) based on ITS, ETS, and trnL-F  sequence data

            GLORIA D.HOGGARD, PAUL  J. KORES, MIA MOLVRAY, AND RONALD K.

            HOGGARD                                                                                                                                      139

 

            An expanded plastid DNA phylogeny of Orchidaceae and analysis of  jackknife branch

            support strategy

            JOHN V. FREUDENSTEIN, CASSIO VAN DEN BERG, DOUGLAS H. GOLDMAN,

            PAUL J. KORES, MIA MOLVRAY, AND MARK W. CHASE                                                     149

 

Reviewers of  Manuscripts                                                                                                                        158

 

Reviewer’s information Form                                                                                                                    161

 

Checklist for Preparation of Manuscripts                                                                                                 162

 

New Member Application                                                                                                                           164

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