Species of Greatest Conservation Need
1124 species
| Scientifc Name | Common Name | Taxonomic Group | SGCN Status | Federal Status | State Status | Global Rank | State Rank | Endemic | General Habitat Type(s) |
|---|---|---|---|---|---|---|---|---|---|
| Donrichardsia macroneuron | South Llano springs moss | Plants | Yes | E 05/30/2023 |
Not Listed | G1 | S1 | Yes | Shaded limestone rocks partially submerged in rapidly flowing relatively thermally constant water at a spring complex in a short 10 m (30 ft) run between the spring source and the river. |
| Draba standleyi | Standley's draba | Plants | Yes | Not Listed | Not Listed | G2G3 | S1 | No | Crevices in sparsely vegetated igneous boulders and rock outcrops at high elevations in pine-oak-juniper woodlands; flowering June-October |
| Echeandia chandleri | lila de los Llanos | Plants | Yes | Not Listed | Not Listed | G2G3 | S2S3 | No | Most commonly encountered among shrubs or in grassy openings in subtropical thorn shrublands on somewhat saline clays of lomas along Gulf Coast near mouth of Rio Grande; also observed in a few upland coastal prairie remnants on clay soils over the Beaumont Formation at inland sites well to the north and along railroad right-of-ways and cemeteries; flowering (May-) September-December, fruiting October-December |
| Echeandia texensis | Green Island echeandia | Plants | Yes | Not Listed | Not Listed | G1 | S1 | Yes | On somewhat saline clays of lomas along the Gulf Coast near the mouth of Rio Grande, a habitat shared with E. chandleri; both species grow in areas dominated by herbaceous species with scattered brush and stunted trees, or in grassy openings in subtropical thorn shrublands; flowers April, June, and November, and likely in other months, as well |
| Echinacea atrorubens | Topeka purple-coneflower | Plants | Yes | Not Listed | Not Listed | G3 | S3 | No | Occurring mostly in tallgrass prairie of the southern Great Plains, in blackland prairies but also in a variety of other sites like limestone hillsides; Perennial; Flowering Apr-June |
| Echinocereus chisosensis | Chisos Mountains hedgehog cactus | Plants | Yes | T 09/30/1988 |
T 12/30/1988 |
G2T1 | S1 | Yes | Degraded desert grasslands or open shrublands on unconsolidated gravelly fan and terrace deposits on desert flats and low hills at moderate elevations of about 600-800 m (1950-2600 ft) in the Chihuahuan Desert, almost always found under the shelter of a nursery plant; flowering March-April, perhaps July, fruit maturing May-June, perhaps as late as August |
| Echinocereus chloranthus var. neocapillus | golden-spine hedgehog cactus | Plants | Yes | Not Listed | Not Listed | G4T1 | S1 | Yes | Sparsely vegetated desert grasslands over novaculite outcrops; flowering late March-early May |
| Echinocereus coccineus var. paucispinus | Texas claret-cup cactus | Plants | Yes | Not Listed | Not Listed | G5T3 | S3 | No | Mountains, hills, and mesas, igneous and limestone, oak-juniper-pinyon woodland or juniper woodland on limestone mesas, mostly rocky habitats but also in alluvial basins, grasslands, or among mesquite or other shrubs. Flowering March - April (Powell and Weedin 2004). |
| Echinocereus davisii | Davis' green pitaya | Plants | Yes | E 11/07/1979 |
E 04/29/1983 |
G5T1 | S1 | Yes | Novaculite outcrops in full sun among sparse Chihuahuan Desert scrub usually hidden in mats of Selaginella; flowering (February-) March-April |
| Echinocereus milleri | Miller's hedgehog cactus | Plants | Yes | Not Listed | Not Listed | G1 | S1 | Yes | Occurs on sandy-loam soils on rocky hills. |
| Echinocereus papillosus | yellow-flowered alicoche | Plants | Yes | Not Listed | Not Listed | G3 | S3 | No | Under shrubs or in open areas on various substrates; Perennial; Flowering Jan-April. |
| Echinocereus reichenbachii var. albertii | black lace cactus | Plants | Yes | E 10/26/1979 |
E 04/29/1983 |
G5T1Q | S1 | Yes | Grasslands, thorn shrublands, mesquite woodlands on sandy, somewhat saline soils on coastal prairie, most frequently in naturally open areas sparsely covered with brush of a low stature not resulting from disturbance or along creeks in ecotonal areas between this upland type and lower areas dominated by halophytic grasses and forbs; flowering April-June |
| Echinocereus reichenbachii var. baileyi | Bailey's hedgehog cactus | Plants | Yes | Not Listed | Not Listed | G5T3 | S1 | No | Granitic hills in Great Plains Grassland (Benson 1982). |
| Echinocereus reichenbachii var. fitchii | Fitch's hedgehog cactus | Plants | Yes | Not Listed | Not Listed | G5T3 | S3 | No | Grasslands, thorn shrublands, and mesquite-acacia woodlands on sandy, possibly somewhat saline, soils on the coastal prairie. Within these communities, the plants may be most frequently found in open areas that are somewhat sparsely covered with brush of a low stature. Frequently grows at the ecotone where these upland areas meet lower areas dominated by halophytic grasses and forbs; Perennial |
| Echinocereus viridiflorus var. canus | graybeard cactus | Plants | Yes | Not Listed | Not Listed | G5T1 | S1 | Yes | Steep rubble of black Maravillas chert, near top of ridge |
| Echinocereus viridiflorus var. correllii | Correll's green pitaya | Plants | Yes | Not Listed | Not Listed | G5T2 | S2 | Yes | Among grasses on rock crevices on low hills in desert or semi-desert grassland on novaculite or limestone; flowering March-May |
| Eleocharis austrotexana | South Texas spikesedge | Plants | Yes | Not Listed | Not Listed | G3 | S3 | Yes | Occurring in miscellaneous wetlands at scattered locations on the coastal plain; Perennial; Flowering/Fruiting Sept |
| Eleocharis brachycarpa | short-fruited spikesedge | Plants | Yes | Not Listed | Not Listed | GH | SH | No | In Tamaulipas, at the edges of resacas; in Texas, single specimen collected between Matamoros and Nueces presumably in similar habitat; fruiting winter-spring |
| Emorya suaveolens | Emory-bush | Plants | Yes | Not Listed | Not Listed | G3 | S1 | No | Known from several collections from limestone cliffs in Maravillas Canyon, Brewster County; Perennial; Flowering March-Nov |
| Encelia scaposa | one-head encelia | Plants | Yes | Not Listed | Not Listed | G3 | S2 | No | Occurs on open gravelly clay flats; Perennial; Flowering/Fruiting March-Nov |
| Ephedra coryi | Cory's ephedra | Plants | Yes | Not Listed | Not Listed | G3 | S3 | No | Dune areas and dry grasslands in the southern Plains Country; Perennial; Flowering April-Sept; Fruiting May-Sept |
| Ephedra torreyana var. powelliorum | Powells' joint-fir | Plants | Yes | Not Listed | Not Listed | G5?T2 | S1 | No | Desert scrub on gravelly to fine grained gypseous soils; 850-1100 m (2789-3609 ft) |
| Epithelantha bokei | Boke's button cactus | Plants | Yes | Not Listed | Not Listed | G4T3 | S3 | No | Chihuahuan Desert on rocky, barren hills of sedimentary substrates; 700 (-1400) m elevation; Perennial; Flowering spring-early summer (May-Jun); Fruiting summer-fall |
| Ericameria nauseosa var. texensis | Guadalupe Mountains rabbitbrush | Plants | Yes | Not Listed | Not Listed | G5T2T3 | S1 | No | Crevices and solution pits in limestone ledges and boulders, less often in open gravel alluvium of streambeds at elevations between 1490 and 2150 m (4900 and 7050 ft); flowering September-November |
| Eriocaulon koernickianum | small-headed pipewort | Plants | Yes | Not Listed | T 03/30/2020 |
G2 | S1S2 | No | In East Texas, post-oak woodlands and xeric sandhill openings on permanently wet acid sands of upland seeps and hillside seepage bogs, usually in patches of bare sand rather than among dense vegetation or on muck; in Gillespie County, on permanently wet or moist hillside seep on decomposing granite gravel and sand among granite outcrops; flowering/fruiting late May-late June |