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) |
|---|---|---|---|---|---|---|---|---|---|
| Eriogonum correllii | Correll's wild-buckwheat | Plants | Yes | Not Listed | Not Listed | G2G3 | S2S3 | Yes | Occurs on clay mounds, caprock and rocky ledges on calcihe substrates. |
| Eriogonum greggii | Gregg's wild-buckwheat | Plants | Yes | Not Listed | Not Listed | G2 | S1 | No | Sparingly vegetated openings in thorn shrublands in shallow soils on xeric ridges along the Rio Grande; also on excessively drained, sandy soil over caliche and calcareous sandstone of the Goliad Formation and over sandstone or fossiliferous layers of the Jackson Group; flowering February-July, probably opportunistically during the growing season |
| Eriogonum hemipterum var. hemipterum | Chisos Mountains wild-buckwheat | Plants | Yes | Not Listed | Not Listed | G3T2 | S2 | Yes | Wooded slopes and canyons (Powell and Worthington 2018). July - September. |
| Eriogonum nealleyi | Irion County wild-buckwheat | Plants | Yes | Not Listed | Not Listed | G2 | S2 | Yes | Grasslands and shallow stony soils over limestone and indurated caliche, often collected from ungrazed but sparsely vegetated roadsides, particularly where limestone or caliche is exposed on hilltops; flowering June-September |
| Eriogonum suffruticosum | bushy wild-buckwheat | Plants | Yes | Not Listed | Not Listed | G2 | S2 | Yes | Sparsely vegetated rocky limestone slopes, low hills, and clay flats; also on gypseous soils; flowering March-April, in full fruit by May |
| Eriogonum tenellum var. ramosissimum | basin wild-buckwheat | Plants | Yes | Not Listed | Not Listed | G5T3 | S3 | Yes | Usually rooted in crevices of sparsely vegetated, unshaded granite and gneiss outcrops or associated deposits of dry sand and gravel; Perennial; Flowering Apr-Dec |
| Erythranthe chinatiensis | fringed monkeyflower | Plants | Yes | Not Listed | Not Listed | G1 | S1 | No | <span><span>Perennially wet areas near springs, on wet cliff faces at waterfalls, and in creekbeds, mostly in mountains of the Chihuahuan Desert; flowering (May-) June-August.</span></span> |
| Escobaria albicolumnaria | white column cactus | Plants | Yes | Not Listed | Not Listed | G2G3 | S2S3 | No | Creosote bush or lechuguilla canyon shrublands primarily on nearly level terrain to rolling hills on thin, gravelly soils or limestone bedrock of the Santa Elena, Glen Rose, Boquillas, and Telephone Canyon formations; at lower elevations 550-1370 m (1800-5000 ft) in the Chihuahuan Desert; flowering early March-May |
| Escobaria dasyacantha var. chaffeyi | Chaffey's cory cactus | Plants | Yes | Not Listed | Not Listed | G3T1 | S1 | No | Pine-oak-juniper woodlands on rocky igneous and limestone soils at 1425-2225 m (4675-7300 ft).; flowering March-June; fruiting June-September |
| Escobaria dasyacantha var. dasyacantha | dense cory cactus | Plants | Yes | Not Listed | Not Listed | G3T3 | S3 | No | Lechuguilla-sotol or creosote bush shrublands, grasslands, and oak-juniper woodlands on gravelly, rocky, and/or loamy soils over igneous or limestone substrates at moderate elevations 750-1800 m (2450-5900 ft) in the Chihuahuan Desert; flowering March-May (-July), fruiting (May-) June-August |
| Escobaria dasyacantha var. duncanii | Duncan's cory cactus | Plants | Yes | Not Listed | Not Listed | G3T2T3 | S1S2 | No | Chihuahuan Desert scrub at low to moderate elevations 650-1825 m (2150-6000 ft) on hills, ledges, and benches in cracks and crevices of limestone outcrops; flowering February-March (-May, or July in New Mexico), fruiting mostly May-June |
| Escobaria guadalupensis | Guadalupe Mountains pincushion cactus | Plants | Yes | Not Listed | Not Listed | G1 | S1 | Yes | On exposed slabs and fractured limestone rock on steep, mostly south-facing slopes in pine-oak-juniper woodlands at (1370-) 1825-2650 m ([4500-] 6000-8700 ft) in the Guadalupe Mountains; flowering April-May; fruiting October-November |
| Escobaria hesteri | Hester's cory cactus | Plants | Yes | Not Listed | Not Listed | G2 | S2 | Yes | Grasslands on novaculite hills or limestone hills and alluvial fans, also in pine-oak-juniper woodlands on igneous substrates; flowering April-early June (-November), also during growing season possibly in response to significant rainfall; fruiting June-August (-January) |
| Escobaria minima | Nellie's cory cactus | Plants | Yes | E 11/07/1979 |
E 04/29/1983 |
G1 | S1 | Yes | Novaculite outcrops in full sun among Chihuahuan Desert scrub, usually in cracks or chips of novaculite or in mats of Selaginella; flowering March-June, probably most consistently from mid April - mid May; fruiting within one month or less of flowering |
| Escobaria sneedii var. sneedii | Sneed's pincushion cactus | Plants | Yes | E 11/07/1979 |
E 04/29/1983 |
G2G3QT2Q | S2 | No | Xeric limestone outcrops on rocky, usually steep slopes in desert mountains, in the Chihuahuan Desert succulent shrublands or grasslands; flowering April-September (peak usually in April, sometimes opportunistically after summer rains; fruiting August - November |
| Euphorbia astyla | alkali spurge | Plants | Yes | Not Listed | Not Listed | G2 | S1 | No | In Pecos County, locally frequent in nearly bare areas within alkali sacaton (Sporobolus airoides) grasslands on alkaline and/or saline silt loam on alluvial flats along a spring-fed desert stream; in Mexico, on windblown gypsum deposits and gypsum flats, Coahuila locally abundant; flowering and fruiting at least March-June and August-September, probably throughout the growing season depending on rainfall |
| Euphorbia chaetocalyx var. triligulata | three-tongue spurge | Plants | Yes | Not Listed | Not Listed | G5T1 | S1 | No | In Texas, in crevices in steep limestone cliffs and on scree and colluvium below; In Coahuila, on basalt and tuff cliffs; flowering/fruiting July-October, perhaps earlier in growing season too. |
| 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 |