ILLUSTRATED FLORA OF EAST TEXAS - Brit - Botanical Research ...

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graduate students in their research. A number of the approximately 20 graduate students that he directed published their thesis research in scientific journals and continue to contribute to Texas botany. As a dedicated ecologist/taxonomist, he spent many hours in the field collecting specimens and research PHOTO COURTESY OF ELRAY S. NIXON data resulting in numerous publications. Many of these were on the ecology and composition of woody species associations in East Texas. He also served the scientific community as president of the Texas Academy of Science and was named an Honorary Life Fellow in 1984 in recognition of outstanding service. He received other awards including Regent’s Professor for Research for the 1986-87 academic year in recognition of research accomplishments at SFASU, the 1992 Harold Beatty Award from the Texas Organization for Endangered Species, and the Charles Weddle Memorial Award for Life Time Achievement in the field of Texas native plants from the Native Plant Society of Texas, 1992, and was awarded a certificate of appreciation from the United States Department of Agriculture (Forest Service) in recognition of his pioneering work in botany and plant ecology throughout East Texas, which will be a lasting contribution to the National Forests of Texas. During his tenure at SFASU he received eight faculty research grants to study plant succession and floristic ecology. He also received grants from the U.S. Army Corps of Engineers as project director and principal researcher for vegetational studies of the Sabine and Trinity river watersheds. It is with special thanks and appreciation that we dedicate this book to Elray Nixon, a selfless, indefatigable icon of East Texas botany. Dr. Nixon is currently enjoying retirement in Las Vegas, Nevada, and Escalante, Utah, with his wife, Tillie.B XIII
ILLUSTRATED FLORA OF EAST TEXAS TABLE OFCONTENTS/ PAGE ABSTRACT/RESUMEN 1 OVERVIEW OF THE FLORA 2 GEOGRAPHIC AREA COVERED 2 INFORMATION HELPFUL IN USING THE FLORA 12 PLANTS TREATED 12 ARRANGEMENT OF TAXA AND GENERAL METHODS 14 DESCRIPTIONS 15 KEYS 15 SOURCES OF INFORMATION 16 NOMENCLATURE 17 GEOGRAPHIC DISTRIBUTIONS 18 INFORMATION ON TOXIC/POISONOUS PLANTS 19 INFORMATION ON PLANTS OF CONSERVATION CONCERN 20 INFORMATION ON ILLUSTRATIONS AND PHOTOGRAPHS 21 INFORMATION ON THE GLOSSARY 22 INFORMATION ON REFERENCES AND LITERATURE CITED 22 ABBREVIATIONS AND SYMBOLS 23 SUMMARY DATA ON THE FLORA 26 ACKNOWLEDGMENTS 27 AUTHORS’ NOTE 30 INTRODUCTION TO EAST TEXAS 31 OVERVIEW 31 GENERAL GEOLOGY OF EAST TEXAS 31 SOILS AND SOIL-RELATED GEOLOGY OF EAST TEXAS 45 CLIMATE AND WEATHER OF EAST TEXAS 65 THE PINEYWOODS 76 OCCURRENCE OF THE PINEYWOODS 76 GEOLOGY OF THE PINEYWOODS 76 SOILS OF THE PINEYWOODS 79 CLIMATE OF THE PINEYWOODS 79 PRESETTLEMENT, EARLY SETTLEMENT, AND MORE RECENT CONDITIONS IN THE PINEYWOODS 80 PRESETTLEMENT VEGETATION TYPES OF THE PINEYWOODS 87 CURRENT VEGETATION OF THE PINEYWOODS 90 THE FUTURE OF THE PINEYWOODS 106 THE POST OAK SAVANNAH 106 OCCURRENCE OF THE POST OAK SAVANNAH 106 GEOLOGY AND SOILS OF THE POST OAK SAVANNAH 110 THE SOIL-DEPENDENT FIRE FREQUENCY HYPOTHESIS AND THE DISTRIBUTION OF THE POST OAK SAVANNAH PRESETTLEMENT AND EARLY SETTLEMENT CONDITIONS 111 IN THE POST OAK SAVANNAH 115 VEGETATION OF THE THE POST OAK SAVANNAH 118 CONDITIONS TODAY ON THE POST OAK SAVANNAH 124 THE POST OAK SAVANNAH AS REMNANT OLD GROWTH FORESTS 125 XIV
Page 1 and 2: ILLUSTRATED FLORA OF EAST TEXAS
Page 3 and 4: ALLDREDGE, LINDA & JACK BATTERBAE,
Page 5 and 6: We would like to recognize and expr
Page 7 and 8: ISSN 0833-1475 ISBN 1-889878-12-X S
Page 9 and 10: “DEEP EAST TEXAS IS AN OLD, QUIET
Page 11: Elray S. Nixon E lray Nixon was bor
Page 15 and 16: TABLE OFCONTENTS/ PAGE APPENDICES A
Page 17 and 18: Hymenocallis liriosme
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Page 21 and 22: 4 INTRODUCTION/GEOGRAPHIC AREA OF E
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46 INTRODUCTION/SOILS SOIL ORDER DE
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48 INTRODUCTION/SOILS, EAST TEXAS B
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106 INTRODUCTION/POST OAK SAVANNAH
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110 INTRODUCTION/GEOLOGY AND SOILS
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112 INTRODUCTION/SOILS, FIRE, AND T
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114 INTRODUCTION/SOILS, FIRE, AND T
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116 INTRODUCTION/ PRESETTLEMENT, EA
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124 INTRODUCTION/CONDITIONS TODAY O
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128 INTRODUCTION/RED RIVER AREA are
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132 INTRODUCTION/GEOLOGY OF BLACKLA
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144 INTRODUCTION/VEGETATION OF BLAC
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146 INTRODUCTION/FUTURE OF BLACKLAN
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148 INTRODUCTION/FUTURE OF BLACKLAN
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150 INTRODUCTION/CADDO LAKE LOCATIO
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152 INTRODUCTION/CADDO LAKE FIG.84/
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154 INTRODUCTION/PRESENT AND FUTURE
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156 INTRODUCTION/BIG THICKET THE BI
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158 INTRODUCTION/BIG THICKET GEOGRA
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160 INTRODUCTION/NATURAL HISTORY OF
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184 INTRODUCTION/HISTORY OF BIG THI
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228 INTRODUCTION/CONSERVATION IN EA
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234 INTRODUCTION/HISTORY OF BOTANY
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248 INTRODUCTION/BOTANY AT UNIVERSI
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250 INTRODUCTION/BOTANY AT TEXAS A&
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252 INTRODUCTION/BOTANY AT TEXAS A&
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