Washington University in St. Louis
yellow flowers

About the Tyson Research Center

Flora

Tyson has various plant communities. Below are species lists, along with photos of some species.

Vascular Plants (Ferns, Pines, Monocots, Dicots) - over 550 species.

Algae - section incomplete

Lichens



Distinct Types of Vegetation at Tyson:

Vegetation Type Dominant Species Moisture Levels Species Diversity Species Richness Basal Area per Tree
Bottom Lands Ulmus rubra
Platanus occidentalis
Mesic H'=2.04 4.8 133.3 sq. cm
Protected Slopes Cornus florida
Quercus alba
Quercus velutina
Less mesic H'=1.95 6.2 103.4 sq. cm
Exposed South- Facing Slopes Juniperus virginiana
Quercus muehlenbergii
Relatively xeric H'=1.94 7.0 100.3 sq. cm

The table summarizes the results of M. Zimmerman and W. L. Wagner's 1979 survey of the plants of Tyson Research Center (A Description of the Woody Vegetation Of Oak-Hickory Forest in the Northern Ozark Highlands, Bulletin of the Torrey Botanical Club 1106(2):117-122).

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phone: (314)-935-8430
fax: (314)-935-8433
6750 Tyson Valley Road
Eureka MO 63025