The 23rd Annual Midcontinent Paleobotanical Colloquium
Florida Museum of Natural History
University of Florida
Gainesville, Florida

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MPC/FPS Program March 10-12, 2006


Friday March 10.

1:30-4:00. Open House, Paleobotany Laboratory and Collections, Dickinson Hall.

4:00-6:30 Registration, Dickinson Hall.

6:30-9:00. Informal barbecue dinner, Dickinson Hall Courtyard.

Saturday, March 11,

Morning and Afternoon sessions, Room 1002, Physics Building Auditorium


David Dilcher, presiding

9:00-9:15 Stefan A. Little, Selena Y. Smith & Ruth A. Stockey. The use of Confocal Laser Scanning Microscopy in assessing preservation and in paleobotanical reconstructions.

9:15-9:30 Hongshan Wang. Paleobotany and Palynology Collection at the Florida Museum of Natural History: Past, Present and Future.

9:30-9:45 Alex Kittle, Melanie DeVore & Kathleen Pigg. A new Paleocene flora from western North Dakota.

9:45-10:00 S. R. S Cevallos-Ferriz, Laura Calvillo Canadell & Enrique González Torres. Geologic setting and paleodiversity in Mexico.

10:00-10:15 Steve Manchester. Fossil forests of Florida.

POSTERS 10:15-11:00

Sergio Bravi, Maria Rosaria Barone Lumaga and James E. Mickle. A new angiosperm fructification from the Middle Albian of southern Italy.

Darren R. Gröcke, Gregory A. Ludvigson, Brian L. Witzke, R. Matt Joeckel, David F. Ufnar, Martin C. Knyf and Robert L. Ravn. Recognizing the Albian/Cenomanian (Oae1d) sequence boundary using plant carbon isotopes: Dakota Formation, Western Interior Basin, USA.

Lilla Hably. New European records of Sloanea L. (Elaeocarpaceae) from the Italian Oligocene.

Martin C. Knyf, Amy C. Reynolds & Darren R. Gröcke. Intra-leaf δ13C variation of modern and fossil leaves: implications for palaeobotany, palaeoclimatic and palaeoenvironmental studies.

Paula J. Mejia, David Dilcher & Carlos Jaramillo. Early angiosperm evolution in tropical latitudes inferred from Cretaceous palynofloras.

11:00 Lectures Resume

Hongshan Wang, Presiding

11:00-11:15 Ian M. Miller & Walton A. Green. Using LMA and CLAMP data to build new models for estimating elevation.

11:15-11:30 Andrew C. L. Postnikoff & J. F. Basinger. The Ravenscrag flora (Paleocene) of the Big Muddy Valley, Willow Bunch Lake Map Area (72h) Southern Saskatchewan, Canada.

11:30-11:45 Tony Matthews, Melanie DeVore & Kathleen Pigg. Paleocene Pteridophytes from the siliceous shales of western North Dakota.

11:45-12:00 John C. Benedict, Kathleen B. Pigg & Melanie L. DeVore. Triloculate fruits from the Late Paleocene Kate's Butte site at Beicegel Creek(McKenzie County, North Dakota, USA) with possible affinities to Spirematospermum Chandler (Zingiberales).

Lunch 12:00-1:30

Activities Resume, 1:30

There are two choices for participants in the afternoon. 1) Especially for FPS members, there will be an open house in Dickinson Hall from 1:00 to 3:00, with opportunity to see "behind the scenes" in the collections of Paleobotany, Invertebrate Paleontology and Vertebrate Paleontology, and a coal ball demonstration in Paleobotany. (MPC attendees are also welcome). 2) Especially for MPC attendees, the lecture series continues in the Physics Auditorium (FPS members also welcome).

Afternoon Lectures, Physics Auditorium

Kathleen Pigg, Presiding

1:30-1:45 Walton A. Green. Synthetic floras from North America as a way of exploring spatial autocorrelation in tree leaf morphology.

1:45-2:00 Elisabeth A. Wheeler, Shirley Rodgers, Troy Simpson, Jeff Bartlett & Kathy Brown. What’s in a database? Inside Wood, a wood anatomy resource.

2:00-2:15 Judy Iju Chen & Steven R. Manchester. A Leea (close relatives of Vitaceae, the grape family) seed from Eocene of Peru, South America.

2:15-2:30 Surangi W. Punyasena. Estimating Neotropical paleotemperature and paleoprecipitation: the feasibility of using occurrence, abundance, and richness of plant families.

2:30-2:45 Patricia Gensel. To be arranged.

2:45-3:00 Break

3:00-3:15 Elizabeth O’Leary & Steven R. Manchester. Fossil winged fruits similar to Gouania (Rhamnaceae) from the Eocene of Western North America.

3:15-3:30 Selena Y. Smith & Ruth A. Stockey. A new Pityostrobus (Pinaceae) from the Cretaceous of California.

3:30-3:45 Heather L. Sanders & Gar W. Rothwell. Fronds of the Lower Carboniferous seed fern Buteoxylon gordonianum; a model for spermatophyte leaf evolution.

3:45-4:00. Witt Taylor, Kathleen B. Pigg & Jack A. Farmer. Silicified Pleistocene monocots from Clearlake, California, and their value to understanding ancient hydrothermal springs.

4:00-4:15. David Dilcher. To be arranged.

Evening (Paramount Plaza Hotel, and Bivens North Lakehouse):

5:30 pm Bivens North Condominium, Lake house, mixer.

6:30 pm banquet at the Paramount Plaza Hotel.

7:30 pm Evening lecture: "The Green River Paleobotany Project" by Kirk Johnson (Denver Museum of Nature and Science).

8:30-9:30. Optional FPS-Paleobotany Auction, Paramount Plaza Hotel. Donated books and paraphernalia (no actual fossils please) will be sold to highest bidders to raise funds for FPS and Paleobotany.

Sunday, March 12

This morning there are two field trip options.

1. Roger Portell will lead a field trip 100 miles west of Gainesville to the Gulf Hammock Quarry, source of Eocene sea grasses. Invertebrate fossils are common and the plant fossils are relatively rare, mostly limited to large blocks that can be difficult to remove. Advance sign up is required, plus a fee of $10 for insurance. Meet at the Paramount Plaza hotel lobby 8:00 am. Return to Gainesville will be about 2:00 pm.

2. Local botanizing in natural areas in and near Gainesville. J. Richard Abbott will lead us. Meet at the Paramount Plaza hotel lobby, 8:30 am.

3. Paleobotanists wishing to work in the Paleobotanical Collections at Dickinson Hall may do so. Please make arrangements in advance with Hongshan Wang.

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Paleobotany Division | Florida Museum of Natural History | University of Florida