Recent Topics Posters
Grover, Herbert D. , Davis, Den .
An Updated Vascular Plant Inventory of Taylor County, Texas.
TAYLOR County lies near the geographic center of Texas at the confluence of three widely recognized ecoregions: the Rolling Plains, Cross Timbers, and Edwards Plateau. Elements of the plant associations representing these ecoregions intergrade and are modified by topography, edaphic conditions, land use practices and the encroachment of woody species, most notably Prosopis glandulosa (mesquite), and a complex of Juniperus asheii (ash juniper) and Juniperus pinchotii (red-berry juniper). The Flora of Taylor County, one of a small number of county-level floras published for the state, was compiled in the early 1970ís by William F. Mahler. Using Mahlerís seminal study as a baseline, we have prepared an updated inventory of the vascular plants of Taylor County by standardizing the nomenclature of the original flora and adding species included in the Hardin-Simmons University herbarium, county-level searches of state-wide databases, and checklists contained in several studies recently conducted in the county. Mahler reported a total of 668 species in 90 families and 342 genera. Our study finds 895 species reported for the county, representing 427 genera in 107 families. Of the 227 additional taxa, 134 are represented by specimens included in the HSU herbarium, with the remaining new records from a state-wide database or listed in various survey reports conducted in the county. Seventeen species found in our study are listed as endemic to the state. Listed invasives constitute 107 of the species we identified for Taylor County, or about 12 percent of the county flora. No listed threatened or endangered plant species have been documented to occur in our county. This study is a work in progress and additional theses and regional floras are still being reviewed.
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1 - Hardin-Simmons University, Biology, Box 16165 HSU Station, Abilene, Texas, 79698, USA
2 - Hardin-Simmons University, Biology, Box 16165 HSU Station, Abilene, Texas, 79698, United States
Taylor County, Texas
Presentation Type: Recent Topics Poster
Location: Auditorium/Bell Memorial Union
Date: Tuesday, August 1st, 2006
Time: 12:30 PM