TY  - SER
AU  - Richardson,P.Mick
AU  - Raven,Peter H.
ED  - Annual Systematics Symposium
TI  - The origin of modern terrestrial ecosystems: fossils, phylogeny, and biogeography : the 44th Annual Systematics Symposium of the Missouri Botanical Garden 
SN  - 0026-6493
PY  - 1999///
KW  - Angiosperms
KW  - Evolution
KW  - Paleobotany
KW  - Tertiary
KW  - Grasslands
KW  - Plants
KW  - Phylogeny
KW  - Biotic communities
N1  - In: Annals of the Missouri Botanical Garden, v. 86 (2), 1999. Ill; Includes bibliographical references
ER  -