Appendices & Glossary - Botanical Research Institute of Texas

SUMMARY DATA ON THE FLORA
AND COMPARISON WITH OTHER FLORAS
SUMMARY OF THE FLORA OF EAST TEXAS*
FERNS
& SIMILAR PLANTS GYMNOSPERMS MONOCOTYLEDONS DICOTYLEDONS ANGIOSPERMS TOTAL
Families 19 3 46 134 180 202
Genera 39 4 252 784 1036 1079
Species 73 9 978 2342 3320 3402
Additional
Infraspecific taxa 1 0 70 187 257 258
* DICOT AND TOTAL ANGIOSPERM DATA AND TOTALS ARE TENTATIVE PENDING COMPLETION OF VOLUMES TWO AND THREE.
EAST TX TX 1
COMPARISON WITH OTHER FLORAS
NCTEX 2
OK 3
AR 4
LA 5
KS 6
WV 7
NC&SC 8
Genera 1079 1328 854 850 942 1010 801 693 951 1222
Species 3402 5042 2223 2549 2877 3249 2111 2155 3360 5862
Native Species 2783 1829 2427 2423 1667 2913 4739
Introduced Spp. 619 394 760 826 435 747 1023
Total Taxa 3660 5256 2376 2844 3187 2228
Area 62.6 269 40 70 53 52 82 24 86 164
(in 1000s of square miles)
EAST TEXAS:
ca. 67 % of the species in Texas (in 23 % the land area)
133 % as many species as Oklahoma (in 89 % the land area)
82 % native species (18 % introduced from outside the United States)
163 Texas endemics and 26 East Texas endemics
115 taxa of conservation concern (Volume I only)
Number of genera and species of Poaceae
(Largest East Texas family) 117 410
Number of genera and species of Asteraceae 127 398
Number of genera and species of Cyperaceae 16 248
Number of genera and species of Fabaceae 62 240
Number of species of Carex
(Largest East Texas genus, Cyperaceae) 80
1 2 3 4 5
Turner et al. 2003; Diggs et al. 1999; Taylor & Taylor 1994; Arkansas Vascular Plant Manual Committee 2002; Thomas
& Allen 1993–1998; 6 C. Freeman, pers. comm.; 7 Strausbaugh & Core 1978; 8 Radford et al. 1968; 9 Hickman 1993.
NOXIOUS/HARMFUL
EXOTIC PLANT
E T
I
ENDEMIC TO TEXAS ENDEMIC TO
EAST TEXAS
INTRODUCED
A
ENDANGERED
OR THREATENED
TOXIC /
POISONOUS
ICONOGRAPHY
FAMILY /GENERIC
SYNOPSIS
m/80
COLOR PHOTOGRAPH
AND PAGE NUMBER
g /80
CA 9
COMMERCIALLY IMPORTANT TIMBER
TREES AND PAGE NUMBER