Species of Greatest Conservation Need
427 species
| Scientifc Name | Common Name | Taxonomic Group | SGCN Status | Federal Status | State Status | Global Rank | State Rank | Endemic | General Habitat Type(s) |
|---|---|---|---|---|---|---|---|---|---|
| Euphorbia geyeri var. wheeleriana | Wheeler's spurge | Plants | Yes | Not Listed | Not Listed | G5T2 | S1 | No | Sparingly vegetated, loose eolian quartz sand on reddish sand dunes or coppice mounds; flowering and fruiting at least August-September, probably earlier and later, as well |
| Euphorbia golondrina | swallow spurge | Plants | Yes | Not Listed | Not Listed | G2 | S2 | No | Alluvial or eolian sand along Rio Grande, occasionally on adjacent shale or limestone slopes; flowering June-November |
| Euphorbia innocua | velvet spurge | Plants | Yes | Not Listed | Not Listed | G3 | S3 | Yes | Open or brushy areas on coastal sands and the South Texas Sand Sheet; Perennial; Flowering Sept-April; Fruiting Nov-July |
| Euphorbia jejuna | dwarf broomspurge | Plants | Yes | Not Listed | Not Listed | G2 | S2 | Yes | According to specimen collections, found on grama-grass prairie on caliche uplands, also dry caliche slopes, and limestone hills; flowering late March through July |
| Euphorbia peplidion | low spurge | Plants | Yes | Not Listed | Not Listed | G3 | S3 | Yes | Occurs in a variety of vernally-moist situations in a number of natural regions; Annual; Flowering Feb-April; Fruiting March-April |
| Euphorbia perennans | perennial broomspurge | Plants | Yes | Not Listed | Not Listed | G3 | S3 | No | Occurring in sparsely vegetated low elevation sites on gypseous or calcareous substrates; Perennial; Flowering April-Oct; Fruiting Oct |
| Euphorbia simulans | Big Bend spurge | Plants | Yes | Not Listed | Not Listed | G3 | S3 | Yes | Occurs in sparsely vegetated low elevation sites on gypseous or calcareous substrates (Carr 2015). |
| Euphorbia strictior | tall plains spurge | Plants | Yes | Not Listed | Not Listed | G3 | S3 | No | Occurs in shortgrass grasslands on dry rocky or, more commonly, deep sandy sites; Perennial; Flowering/Fruiting June-Sept |
| Eurytaenia hinckleyi | Hinckley's spreadwing | Plants | Yes | Not Listed | Not Listed | G3 | S3 | Yes | Loose sandy soils of the Monahans/Kermit Sandhills; Annual; Flowering/Fruiting May-July |
| Eysenhardtia spinosa | spiny kidney-wood | Plants | Yes | Not Listed | Not Listed | G2 | S2 | No | Grasslands or sparse shrublands on igneous outcrops or limestone hills; in the Chinati Mountains on rocky hills and gravelly drainages of mixed igneous origin; flowering July - October |
| Fendlera linearis | stiff fendlerbush | Plants | Yes | Not Listed | Not Listed | G3 | S1 | No | Locally common in several locations in the Chisos Mountains and the Solitario (Carr 2015). |
| Festuca ligulata | Guadalupe fescue | Plants | Yes | E 10/10/2017 |
E 03/30/2020 |
G1 | S1 | No | Pine-oak-juniper woodlands on mesic slopes and in creek bottoms above 1800 m (5900 ft); Chisos Mountains substrates are gravelly and sandy loams derived from igneous materials; Guadalupe Mountains substrates are unknown but presumed to be loamy soils over limestone; flowering August-September, occasionally in spring after sufficient rainfall |
| Festuca versuta | Texas fescue | Plants | Yes | Not Listed | Not Listed | G3 | S3 | No | Occurs in mesic woodlands on limestone-derived soils on stream terraces and canyon slopes; Perennial; Flowering/Fruiting April-June |
| Flyriella parryi | Shinner's brickellbush | Plants | Yes | Not Listed | Not Listed | G3 | S3 | No | Dry rocky limestone slopes; Perennial; Flowering/Fruiting April-June |
| Frankenia johnstonii | Johnston's frankenia | Plants | Yes | DL 02/11/2016 |
Not Listed | G3 | S3 | No | Dwarf shrublands on strongly saline, highly alkaline, calcareous or gypseous, clayey to sandy soils of valley flats or rocky slopes; mapped soils at many sites are of the Catarina and/or Maverick Series, other mapped soils include Copita, Brennan, Zapata, and Montell series; most sites are underlain by Eocene sandstones and clays of the Jackson Group or the Yegua and Laredo formations; a few are underlain by El Pico clay or the Catahoula and Frio formations shrublands; flowering throughout the growing season depending upon rainfall |
| Fraxinus papillosa | Chihuahua ash | Plants | Yes | Not Listed | Not Listed | G2G3Q | S1 | No | Occurs in the canyons of the Chinati Mountains (Carr 2015). |
| Fryxellia pygmaea | small fryxell-wort | Plants | Yes | Not Listed | Not Listed | G1 | SH | No | West Texas, but actual county not identified; in Coahuila, Mexico, dry, open, Chihuahuan Desert hillside at an elevation of about 1250 m (4100 ft); probably flowers summer and fall, perhaps in response to rainfall |
| Gaillardia aestivalis var. winkleri | white firewheel | Plants | Yes | Not Listed | Not Listed | G5T2 | S2 | Yes | Open pine-oak woodlands and farkleberry sandhills in deep, loose, well-drained whitish sands; flowering late spring (May-June) and sporadically through early fall |
| Galactia watsoniana | Watson's milk-pea | Plants | Yes | Not Listed | Not Listed | G1 | S1 | Yes | Usually growing on shaded, gently sloping terraces above creeks in mesic canyons of the southwestern Edwards Plateau. Vegetation is most often sparse with Quercus muehlenbergii and Acer grandidentatum being the dominant plants. |
| Galium correllii | cliff bedstraw | Plants | Yes | Not Listed | Not Listed | G2 | S1 | No | Dry, steep or vertical limestone cliff faces of various exposures in Chihuahuan Desert along Rio Grande, Pecos River, and their tributaries, at elevations of 350-500 m (1150-1650 ft), resembles cliff swallow nests that are also found on limestone cliffs; flowering April-November, fruiting May-December |
| Genistidium dumosum | brush-pea | Plants | Yes | Not Listed | T 03/30/2020 |
G1 | S1 | No | Chihuahuan Desert scrub on rocky limestone hills at lower elevations; in Coahuila, also found on volcanic tuff and sandstone; flowering June-October |
| Geocarpon minimum | earth fruit | Plants | Yes | T 06/16/1987 |
T 04/04/2005 |
G2 | S1 | No | In Texas, found on vegetated edges of slick spots in saline barren complex just above floodplain of Neches River, soils are claypan, hold late winter rains, with a spongy feel to the soil, drying quickly into hardened cement; topography includes pimple mounds with micro highs/lows; elsewhere, occurs in open, sparingly vegetated glades on shallow soils over sandstone outcrops; sometimes in shallow depressions within such areas and saline prairies; these soils are very thin and high in magnesium or sodium; mostly found on the cryptogamic lip along slick spot perimeter; flowering late February-March |
| Gilia ludens | South Texas gilia | Plants | Yes | Not Listed | Not Listed | G2? | S3 | Yes | Occurs in open areas in shrublands on shallow sandy loam over rock outcrops; Perennial; Flowering Dec-April; Fruiting March |
| Glossopetalon texense | Texas greasebush | Plants | Yes | Not Listed | Not Listed | G1 | S1 | Yes | Dry limestone ledges, chalk bluffs, and limestone outcrops; one population is on an extremely steep slope, inaccessible to most herbivores; flowering period uncertain, including at least June-December |
| Grindelia oolepis | plains gumweed | Plants | Yes | Not Listed | Not Listed | G2 | S2 | No | Coastal prairies on heavy clay (blackland) soils, often in depressional areas, sometimes persisting in areas where management (mowing) may maintain or mimic natural prairie disturbance regimes; crawfish lands; on nearly level Victoria clay, Edroy clay, claypan, possibly Greta within Orelia fine sandy loam over the Beaumont Formation, and Harlingen clay; roadsides, railroad rights-of-ways, vacant lots in urban areas, cemeteries; flowering April-December |