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Author: Dennis Wm. Stevenson

Dennis William Stevenson holds a Ph.D. University of California, Davis 1975. He is Vice President for Laboratory Research at The New York Botanical Garden and Editor, Botanical Review. His expertise is in Cycads, Monocots, and Genomics. His major research interests in the past few years have focused upon the evolution and classification of the Cycadales (cycads) and their placement in seed plant phylogeny. He is conducting research on various facets of the biology of the Cycadales and Gnetales. These facets include reproductive biology, anatomy, cytology, molecular systematics, as well as taxonomic monographs and treatments of these groups for various floras being prepared for the neotropics. Another major research interest is the systematics of the monocots, particularly, the Commelinidae. The topics under investigation include developmental floral morphology, embryology, and inflorescence structure because this basic information is incomplete or unknown for many of these families. These data are being combined with gene sequence data to generate phylogenetic hypothesis on the origin and classification of the monocots.

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*PRE-ORDER* - Cycad Biology and Conservation: The 9th International Conference on Cycad Biology (Memoirs of The New York Botanical Garden Volume 117)
Add to Shopping Cart 978-0-89327-538-9 Hardcover $116.99 12/31/2018

*PRE-ORDER* - Cycad Biology and Conservation: The 9th International Conference on Cycad Biology (Memoirs of The New York Botanical Garden Volume 117)

Ancient in origin and once widespread on Earth, today cycads comprise few living survivors in limited distributions in the tropics and subtropics. A study of these extant members and the cycad fossil record dating back to over 250 million years ago ...

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A New Species of Encephalartos (Zamiaceae) from Tanzania (Memoirs of The New York Botanical Garden Volume 57)
Add to Shopping Cart eChapter $4.99 3/7/1990

A New Species of Encephalartos (Zamiaceae) from Tanzania (Memoirs of The New York Botanical Garden Volume 57)

AbstractSTEVENSON, D. W. (New York Botanical Garden, Bronx, New York 10458, USA), A. MORETTI, and P. DE LUCA (Dipartimento di Biologia Vegetale, via Foria 123, Napoli 80139, Italia). A new species of Encephalartos (Zamiaceae) from Tanzania. Memoirs ...

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A Phylogenetic Study of Dioon Lindl. (Zamiaceae, Cycadales), Based on Morphology, Nuclear Ribosomal DNA, a Low- copy Nuclear Gene and Plastid RFLPs (Memoirs of The New York Botanical Garden Volume 106)
Add to Shopping Cart eChapter $4.99 10/12/2012

A Phylogenetic Study of Dioon Lindl. (Zamiaceae, Cycadales), Based on Morphology, Nuclear Ribosomal DNA, a Low- copy Nuclear Gene and Plastid RFLPs (Memoirs of The New York Botanical Garden Volume 106)

AbstractWe carried out phylogenetic analyses on Dioon Lindl. based on RFLPs from the chloroplast genome, morphology, two introns of the low-c

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A World List of Cycads (Memoirs of The New York Botanical Garden Volume 57)
Add to Shopping Cart eChapter $4.99 3/7/1990

A World List of Cycads (Memoirs of The New York Botanical Garden Volume 57)

AbstractSTEVENSON, D. W. (New York Botanical Garden, Bronx, New York 10458, USA), R. OSBORNE (University of Natal, King George V Avenue, Durban 400 I, South Africa), and J. HENDRICKS (110 Brookmeade Avenue, Statesville, North Carolina 28677, USA). A...

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Botanic Gardens Cycad Collections: 4th GBGC Symposium Report (Memoirs of The New York Botanical Garden Volume 117)
Add to Shopping Cart eChapter $4.99 11/13/2018

Botanic Gardens Cycad Collections: 4th GBGC Symposium Report (Memoirs of The New York Botanical Garden Volume 117)

AbstractAs part of the 4th Global Botanic Garden Congress in Dublin, Ireland (2010), six garde

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Chigua, A New Genus in the Zamiaceae, with Comments on Its Biogeograhic Significance (Memoirs of The New York Botanical Garden Volume 57)
Add to Shopping Cart eChapter $4.99 3/7/1990

Chigua, A New Genus in the Zamiaceae, with Comments on Its Biogeograhic Significance (Memoirs of The New York Botanical Garden Volume 57)

AbstractSTEVENSON, D. W. (New York Botanical Garden, Bronx, New York 10458, USA). Chigua, a new genus in the Zamiaceae with comments on its biogeographic significance. Memoirs of The New York Botanical Garden 57: 169–172. 1990. Chigua a new genus in...

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Complete Set of PDF Downloads - Cycad Biology and Conservation: The 9th International Conference on Cycad Biology (Memoirs of The New York Botanical Garden Volume 117)
Add to Shopping Cart Digital Download $84.83 11/14/2018

Complete Set of PDF Downloads - Cycad Biology and Conservation: The 9th International Conference on Cycad Biology (Memoirs of The New York Botanical Garden Volume 117)

Ancient in origin and once widespread on Earth, today cycads comprise few living survivors in limited distributions in the tropics and subtropics. A study of these extant members and the cycad fossil record dating back to over 250 million years ago ...

Learn More...

Complete Set of PDF Downloads - Proceedings of Cycad 1987: The 1st International Conference on Cycad Biology: The Biology, Structure, and Systematics of the Cycadales (Memoirs of The New York Botanical Garden Volume 57)
Add to Shopping Cart Digital Download $52.40 3/7/1990

Complete Set of PDF Downloads - Proceedings of Cycad 1987: The 1st International Conference on Cycad Biology: The Biology, Structure, and Systematics of the Cycadales (Memoirs of The New York Botanical Garden Volume 57)

Cycads have had considerably less research due to a general perception as esoteric taxonomic relicts. However, renewed interest in the cycads has been quite diverse as evident by the papers included here. This volume represents 21 papers presented a...

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Complete Set of PDF Downloads - Proceedings of Cycad 2005: The 7th International Conference on Cycad Biology (Memoirs of The New York Botanical Garden Volume 97)
Add to Shopping Cart Digital Download $84.83 12/28/2007

Complete Set of PDF Downloads - Proceedings of Cycad 2005: The 7th International Conference on Cycad Biology (Memoirs of The New York Botanical Garden Volume 97)

Cycads have been around for 250 million years, during which time they have retained seemingly unchanged features. The International Conference on Cycad Biology, held every three years since its inception in 1987, has become a prominent meeting cente...

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Complete Set of PDF Downloads - Proceedings of Cycad 2008: The 8th International Conference on Cycad Biology (Memoirs of The New York Botanical Garden Volume 106)
Add to Shopping Cart Digital Download $74.85 10/12/2012

Complete Set of PDF Downloads - Proceedings of Cycad 2008: The 8th International Conference on Cycad Biology (Memoirs of The New York Botanical Garden Volume 106)

The International Conference on Cycad Biology, held every 3 years since its inception in 1987, is a prominent meeting centering on all aspects of the biology of this unusual, important, and interesting group of plants. The conference stimulates rese...

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Defining the Role of BMAA and Its Potential Glutamate Receptor Targets in Arabidopsis thaliana and Cycas rumphii (Memoirs of The New York Botanical Garden Volume 97)
Add to Shopping Cart eChapter $4.99 12/28/2007

Defining the Role of BMAA and Its Potential Glutamate Receptor Targets in Arabidopsis thaliana and Cycas rumphii (Memoirs of The New York Botanical Garden Volume 97)

AbstractThe presence of compounds in plants with neuroactive properties has always raised speculation regarding their endogenous function. One such compound is S(1)-β-methyl-α, β-diaminopropionic acid (BMAA), which is found in all cycads. BMAA has b...

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Diversity and Phylogeny of the Monocotyledons: Contributions from Monocots V (Memoirs of The New York Botanical Garden Volume 118)
Add to Shopping Cart 978-0-89327-534-1 Hardcover $89.99 9/18/2017

Diversity and Phylogeny of the Monocotyledons: Contributions from Monocots V (Memoirs of The New York Botanical Garden Volume 118)

The Fifth International Conference on the Comparative Biology of Monocotyledons (Monocots V) convened in New York City in June 2013, marking the 20th anniversary of the conference series. The New York Botanical Garden (Bronx) hosted Monocots V, also...

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Genomic Studies in Cycas rumphii Mique (Memoirs of The New York Botanical Garden Volume 97)
Add to Shopping Cart eChapter $4.99 12/28/2007

Genomic Studies in Cycas rumphii Mique (Memoirs of The New York Botanical Garden Volume 97)

AbstractAlthough cycads are the oldest living seed plants, little work has been performed on cycads at the molecular level. Here we report the first genomic treatment of cycads (Brenner et al., 2003b) in which 4210 expressed sequence tags (ESTs) were...

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Morphology and Systematics of the Cycadales (Memoirs of The New York Botanical Garden Volume 57)
Add to Shopping Cart eChapter $4.99 3/7/1990

Morphology and Systematics of the Cycadales (Memoirs of The New York Botanical Garden Volume 57)

AbstractSTEVENSON, D. W. (New York Botanical Garden, Bronx, New York 10458, USA). Morphology and systematics of the Cycadales. Memoirs of The New York Botanical Garden 57: 8–55. 1990. The morphology, anatomy, and systematics of the Cycadales are rev...

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Proceedings of Cycad 1987: The 1st International Conference on Cycad Biology: The Biology, Structure, and Systematics of the Cycadales (Memoirs of The New York Botanical Garden Volume 57)
Add to Shopping Cart 978-0-89327-350-7 Paperback $40.00 3/7/1990

Proceedings of Cycad 1987: The 1st International Conference on Cycad Biology: The Biology, Structure, and Systematics of the Cycadales (Memoirs of The New York Botanical Garden Volume 57)

Cycads have had considerably less research due to a general perception as esoteric taxonomic relicts. However, renewed interest in the cycads has been quite diverse as evident by the papers included here. This volume represents 21 papers presented a...

Learn More...

Displaying 1 to 15 of 24 21 [NEXT > >]
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