Species of Greatest Conservation Need

1124 species
Taxonomic Group
Federal Status
State Status
Endemic

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Species of Greatest Conservation Need (Approved On: 03/18/2024; Data Updated: 06/16/2025)
Scientifc Name Common Name Taxonomic Group Federal Status State Status Global Rank State Rank Endemic
Valerianella stenocarpa bigflower cornsalad Plants Not Listed Not Listed G3 S3 Yes
Valerianella texana Edwards Plateau cornsalad Plants Not Listed Not Listed G2 S2 Yes
Viola guadalupensis Guadalupe Mountains violet Plants Not Listed Not Listed G1 S1 Yes
Vitis rupestris rock grape Plants Not Listed Not Listed G3 S1 No
Willkommia texana var. texana Texas willkommia Plants Not Listed Not Listed G3G4T3 S3 Yes
Wissadula parvifolia small-leaved yellow velvet-leaf Plants Not Listed Not Listed G1 S1 Yes
Xanthisma viscidum sticky tansy aster Plants Not Listed Not Listed G3 S2 No
Xylorhiza wrightii Wright's machaeranthera Plants Not Listed Not Listed G3 S3 No
Xyris chapmanii Chapman's yellow-eyed grass Plants Not Listed Not Listed G3 S3 No
Xyris drummondii Drummond's yellow-eyed grass Plants Not Listed Not Listed G3G4 S2 No
Xyris scabrifolia roughleaf yellow-eyed grass Plants Not Listed Not Listed G3 S2 No
Yucca cernua nodding yucca Plants Not Listed Not Listed G2 S1 Yes
Yucca necopina Glen Rose yucca Plants Not Listed Not Listed G3 S3 Yes
Zanthoxylum parvum Shinners' tickle-tongue Plants Not Listed Not Listed G2 S2 Yes
Zephyranthes jonesii Jones's rainlilly Plants Not Listed Not Listed G3 S3 Yes
Zephyranthes refugiensis Refugio rainlily Plants Not Listed Not Listed G2G3 S2S3 Yes
Zephyranthes smallii Small's rainlily Plants Not Listed Not Listed G1Q S1 Yes
Zephyranthes traubii Traub's rainlily Plants Not Listed Not Listed G3 S3 Yes
Zizania texana Texas wild-rice Plants E
04/26/1978		 E
04/29/1983		 G1 S1 Yes
Apalone mutica smooth softshell Reptiles Not Listed Not Listed G5 S3 No
Aspidoscelis dixoni gray-checkered whiptail Reptiles Not Listed Not Listed G5 S2 No
Cemophora lineri Texas scarlet snake Reptiles Not Listed T
03/01/1987		 G2 S1S2 Yes
Chrysemys dorsalis southern painted turtle Reptiles Not Listed Not Listed G5 S4 No
Coniophanes imperialis black-striped snake Reptiles Not Listed T
07/18/1977		 G4G5 S2S3 No
Deirochelys reticularia miaria western chicken turtle Reptiles Not Listed Not Listed G5T5 S2S3 No