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| | Vascular Flora of Madison County (Site not responding. Last check: 2007-10-25) |
 | | The Post Oak Savannah is a zone of deciduous hardwoods, namely Post Oak, Blackjack Oak, and Winged Elm, interspersed with open grassy areas. |
 | | The majority of upland Post Oak Savannah in Madison County had been cleared in the past for farming, but the county has become more heavily wooded in the last 50 years. |
 | | The Pineywoods of east Texas represent the highest rainfall area in the state, and are characterized by forests of Loblolly Pine, Sweetgum, oaks, and hickories. |
| biocourse.bio.tamu.edu /graduate-students/neilla/madhome.htm (994 words) |
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