Species of Greatest Conservation Need

427 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
Gyrandra blumbergiana Blumberg's centaury Plants Not Listed Not Listed G1 S1 Yes
Hebecarpa palmeri Palmer's milkwort Plants Not Listed Not Listed G3 S2 No
Hedeoma apiculata McKittrick pennyroyal Plants DL
09/22/1993		 Not Listed G3 S2 No
Hedeoma mollis hairy false pennyroyal Plants Not Listed Not Listed G3G4 S3S4 Yes
Hedeoma pilosa old blue pennyroyal Plants Not Listed Not Listed GH SH Yes
Helianthus neglectus neglected sunflower Plants Not Listed Not Listed G2Q S2 No
Helianthus paradoxus Pecos sunflower Plants T
10/20/1999		 T
07/18/2001		 G2 S1 No
Helianthus praecox ssp. hirtus Dimmit sunflower Plants Not Listed Not Listed G4T2Q S2 Yes
Helianthus praecox ssp. praecox Texas sunflower Plants Not Listed Not Listed G4T2 S2 Yes
Hesperaloe funifera ssp. funifera Mexican hesperaloe Plants Not Listed Not Listed G3T2T3 S1 No
Hesperaloe parviflora red yucca Plants Not Listed Not Listed G3 S3 No
Heteranthera mexicana Mexican mud-plantain Plants Not Listed Not Listed G2G3 S1 No
Hexalectris nitida Glass Mountains coral-root Plants Not Listed Not Listed G3 S3 No
Hexalectris revoluta Chisos coral-root Plants Not Listed Not Listed G2T1T2 S1 Yes
Hexalectris warnockii Warnock's coral-root Plants Not Listed Not Listed G2G3 S2 No
Hibiscus dasycalyx Neches River rose-mallow Plants T
10/11/2013		 T
07/02/2017		 G1 S1 Yes
Hoffmannseggia drummondii Drummond's rushpea Plants Not Listed Not Listed G3 S3 No
Hoffmannseggia tenella slender rush-pea Plants E
11/01/1985		 E
01/09/1987		 G1 S1 Yes
Houstonia correllii Correll's bluet Plants Not Listed Not Listed G1 S1 Yes
Houstonia croftiae Croft's bluet Plants Not Listed Not Listed G3 S3 Yes
Houstonia parviflora Greenman's bluet Plants Not Listed Not Listed G3 S3 Yes
Hymenopappus biennis biennial woolywhite Plants Not Listed Not Listed G3G4 S2 No
Hymenopappus carrizoanus sandhill woolywhite Plants Not Listed Not Listed G2 S2 Yes
Hymenoxys perpygmaea pygmy prairie dawn Plants Not Listed Not Listed G1 S1 Yes
Hymenoxys texana Texas prairie dawn Plants E
03/13/1986		 E
01/09/1987		 G2 S2 Yes