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Southern Texas Plains

This EPA Level III ecoregion encompasses all or part of 21 Texas counties. This ecoregion borders most of the southwestern portion of the Rio Grande River and extends into northern Mexico. In Texas, it encompasses much of the same land area as the Texas Parks & Wildlife Department’s South Texas Plains vegetative region. This collection lists only those taxa found in the Texas portion of the Southern Texas Plains ecoregion.

scientific name	common name(s)	image gallery
Abutilon parishii	Parish's Indian Mallow Pima Indian-mallow
Adenophyllum wrightii	Wright's Dogweed
Agoseris aurantiaca	Orange Agoseris	2 images
Agoseris aurantiaca var. purpurea	Orange Agoseris Colorado Plateau Agoseris
Amoreuxia gonzalezii	Santa Rita Mountain Yellowshow Santa Rita Throwup Weed Saiya
Amsinckia menziesii	Menzies' Fiddleneck Common Fiddleneck Rigid Fiddleneck Smallflower Fiddleneck Small Flowered Fiddleneck Rigid Fiddleneck Rancher's Fiddleneck
Amsinckia menziesii var. intermedia	Common Fiddleneck Intermediate Fiddleneck	3 images
Amoreuxia palmatifida	Mexican Yellowshow	1 images
Amsinckia tessellata var. tessellata	Bristly Fiddleneck Desert Fiddleneck Western Fiddleneck Tesselate Fiddleneck Devil's Lettuce
Artemisia campestris var. scouleriana	Field Sagewort Western Sagewort
Asclepias tuberosa	Butterflyweed Butterfly Weed Butterfly Milkweed Orange Milkweed Pleurisy Root Chigger Flower Chiggerweed	142 images
Asclepias tuberosa ssp. interior	Butterfly Milkweed Butterflyweed
Bidens frondosa	Devil's Beggartick Spanish Needles	20 images
Castilleja angustifolia var. dubia	Showy Northwestern Indian-paintbrush Desert Paintbrush	71 images
Castilleja integra	Wholeleaf Indian Paintbrush Squawfeather	57 images
Castilleja integra var. gloriosa	Entire-leaved Paintbrush Southwestern Paintbrush Squawfeather Wholeleaf Indian Paintbrush
Castilleja kaibabensis	Kaibab Indian Paintbrush Kaibab Paintbrush Kaibab Plateau Indian Paintbrush Kaibab Plateau Indian-paintbrush
Calochortus kennedyi	Desert Mariposa Lily Desert Mariposa Red Mariposa-lily Flame Mariposa	11 images
Calochortus kennedyi var. kennedyi	Desert Mariposa Lily Red Mariposa
Castilleja lanata	Sierra Woolly Indian Paintbrush Woolly Paintbrush	13 images
Castilleja miniata	Giant Red Indian Paintbrush Meadow Paintbrush	62 images
Castilleja minor	Alkali Indian-paintbrush Lesser Indian Paintbrush Little Paintbrush Seep Paintbrush Thread-torch Paintbrush
Castilleja miniata ssp. miniata	Giant Red Indian Paintbrush Indian-paintbrush	45 images
Castilleja minor ssp. minor	Lesser Indian Paintbrush Lesser Paintbrush Small Indian Paintbrush Smallflower Paintbrush
Cevallia sinuata	Stinging Serpent Stinging Cevallia	13 images
scientific name	common name(s)	image gallery