Session BrowserClick on the session you would like to browse. | Sessions for Saturday, July 31st, 2004 |
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| Morning | F1a | F1b | F2a | F2b | F3a | F3b | | Afternoon | F4a | F4b | F4c | F5a | F5b | F5c | FK | | Sessions for Sunday, August 1st, 2004 |
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| Evening | P | | Sessions for Monday, August 2nd, 2004 |
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| Morning | 25 | 26 | 27 | 28 | 29 | 30 | 31 | D2 | D2a | | Afternoon | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 40a | D3 | D4 | | Sessions for Wednesday, August 4th, 2004 |
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| Morning | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | D5 | D6 | | Afternoon | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | D7 |
Presentations for Session 49Click on the Abstract you would like to read. | Order | Date/Time | Title | Section | Type | Authors | Keywords | Wednesday, August 4th · 10:45 am to 12:15 pm · Cottonwood C (Snowbird Center)
Session 49: Contributed Papers: Gymnosperms
Presider: Gar W. Rothwell, Ohio University | | 1 | August 4th
10:45 am | The bract-scale and seed-scale complex of Ephedraceae | Systematics Section / ASPT | Paper | Yang, Yong. | Ephedra
Bract scale and seed scale complex
Evolution
Outer envelope | | 2 | August 4th
11:00 am | The evolutionary history of Ephedra; evidence from fossils and molecular data | Systematics Section / ASPT | Paper | Rydin, Catarina, Pedersen, Kaj Raunsgaard, Friis, Else Marie. | divergence times
Ephedra
molecular data
phylogeny
Gnetales
fossils
fossil seeds | | 3 | August 4th
11:15 am | A phylogeny of Ephedra (Gnetales) based on nuclear ribosomal DNA ITS and plastid rps4 sequences | Systematics Section / ASPT | Paper | Ickert-Bond, Stefanie, M., Wojciechowski, Martin F.. | biogeography
Ephedra
Gnetales
nrDNA ITS1
rps4
phylogeny
ovulate strobilus
low levels of sequence divergence | | 4 | August 4th
11:30 am | Cladistic relationships of ancient voltzialeans: a paleontological perspective on the initial radiation of conifers | Systematics Section / ASPT | Paper | Rothwell, Gar W., Mapes, Gene. | Cladistics
Conifers
fossil
systematics | | 5 | August 4th
11:45 am | Choosing genes for resolving pine phylogeny: A screening strategy for low-copy nuclear loci. | Systematics Section / ASPT | Paper | Syring, John V., Cronn, RC, Liston, Aaron, Willyard, Ann. | Pinus
low-copy nuclear gene
molecular phylogeny
gene screening
polytomies | | 6 | August 4th
12:00 pm | Detecting cryptic speciation: an example from Juniperus (Cupressaceae) | Systematics Section / ASPT | Paper | Schwarzbach, Andrea E., Adams, Robert P., Morris, Julie A., Pandey, Ram N.. | Cupressaceae
cryptic speciation
Juniperus
terpenes |
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