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1,721,036 research outputs found

THE APEX OF STIGMARIA (LYCOPSIDA), ROOTING ORGAN OF LEPIDODENDRALES

Author: Gar W. Rothwell
Publication venue
Publication date: 01/09/1984
Field of study

BOTRYOPTERIS FORENSIS (BOTRYOPTERIDACEAE), A TRUNK EPIPHYTE OF THE TREE FERN PSARONIUS

Author: Gar W. Rothwell
Publication venue
Publication date: 01/06/1991
Field of study

THE PRIMARY VASCULATURE OF CORDAIANTHUS CONCINNUS

Author: Gar W. Rothwell
Publication venue
Publication date: 01/11/1977
Field of study

Fossils and ferns in the resolution of land plant phylogeny

Author: Gar W. Rothwell
Publication venue
Publication date: 1999
Field of study

COMPLEX PALEOZOIC FILICALES IN THE EVOLUTIONARY RADIATION OF FERNS

Author: Gar W. Rothwell
Publication venue
Publication date: 01/03/1987
Field of study

CORDAIANTHUS DUQUESNENSIS SP. NOV., ANATOMICALLY PRESERVED OVULATE CONES FROM THE UPPER PENNSYLVANIAN OF OHIO

Author: Gar W. Rothwell
Publication venue
Publication date: 01/02/1982
Field of study

ONTOGENY OF THE PALEOZOIC OVULE, CALLOSPERMARION PUSILLUM

Author: Gar W. Rothwell
Publication venue
Publication date: 01/09/1971
Field of study

Pteridophytic evolution: an often underappreciated phytological success story

Author: Gar W. Rothwell
Publication venue
Publication date: 01/02/1996
Field of study

POLLEN ORGANS OF THE PENNSYLVANIAN CALLISTOPHYTACEAE (PTERIDOSPERMOPSIDA)

Author: Gar W. Rothwell
Publication venue
Publication date: 01/11/1972
Field of study

Author Instructions

Author: Instructions Author
Publication venue
Publication date: 04/11/2013
Field of study

Cartographic Perspectives (E-Journal - North American Cartographic Information Society, NACIS)

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