roughtoothed dolphin |
Steno bredanensis |
Marine - Mammals |
Not Listed |
T |
G4 |
S1 |
False |
Inhabits tropical, subtropical, and temperate waters worldwide, including the Gulf of Mexico. Records in Texas are only known from strandings. Commonly found in deep, oceanic water over 1,500-2,000 meters deep and ranging in temperature from 17-25 degrees Celsius. May associate with other cetaceans. Prey on squids and fish. No known migration patterns. |
West Indian manatee |
Trichechus manatus |
Marine - Mammals |
LT |
T |
G2G3 |
S1 |
False |
Large rivers, brackish water bays, coastal waters. Warm waters of the tropics, in rivers and brackish bays but may also survive in salt water habitats. Very sensitive to cold water temperatures. Rarely occurring as far north as Texas. Gulf and bay system; opportunistic, aquatic herbivore. |
bottlenosed dolphin |
Tursiops truncatus |
Marine - Mammals |
Not Listed |
Not Listed |
G5 |
S2 |
False |
Gulf of Mexico |
Cuvier's beaked whale |
Ziphius cavirostris |
Marine - Mammals |
Not Listed |
T |
G4 |
S1 |
False |
Inhabit tropical, subtropical, and temperate waters world wide, including the Gulf of Mexico. Commonly found in water over 3,300 feet deep near the continetal shelf near steep slopes or canyons, avoiding coastal areas. Mostly pelagic apparently confined by the 1,00 meter bthymetric contour. frequenly make deep dives to capture prey (squids and fishes). |
Amelia's sand-verbena |
Abronia ameliae |
Plants |
Not Listed |
Not Listed |
G3 |
S3 |
True |
Endemic to South Texas; Occurs on deep, well-drained sandy soils of the South Texas Sand Sheet in grassy and/or herbaceous dominated openings within coastal live oak woodlands or mesquite-coastal live oak woodlands. Perennial; Flowering Mar-June |
large-fruited sand-verbena |
Abronia macrocarpa |
Plants |
LE |
E |
G2? |
S2? |
True |
Restricted to sparse herbaceous vegetation in deep, somewhat excessively drained sands in openings in Post oak woodlands, sometimes in active blowouts; all known sites underlain by sandy Eocene strata; Perennial; Flowering late February-May (-June; also in the fall following periods of high rainfall) |
Guadalupe needlegrass |
Achnatherum curvifolium |
Plants |
Not Listed |
Not Listed |
G3 |
S2 |
False |
Usually in rocky limestone areas in the Guadalupe, Delaware, and Dead Horse Mountains (Carr 2015). |
Havard trumpets |
Acleisanthes acutifolia |
Plants |
Not Listed |
Not Listed |
G3 |
S1 |
False |
In xeric limestone or gypseous habitats; Perennial; Flowering July-Sept |
Texas trumpets |
Acleisanthes crassifolia |
Plants |
Not Listed |
Not Listed |
G2 |
S2 |
False |
Shallow, well-drained, calcareous, gravelly loams over caliche on gentle to moderate slopes, often in sparsely vegetated openings in cenizo (Leucophyllum frutescens) shrublands; known populations occur on Austin Chalk (Cretaceous) or Uvalde Gravel (Pleistocene); Perennial; Flowering March-November; Fruiting April-December |
littleleaf moonpod |
Acleisanthes parvifolia |
Plants |
Not Listed |
Not Listed |
G3 |
S3 |
False |
Found on xeric clay or shale exposures; Perennial; Flowering April-Sept; Fruiting June-Sept |
Wright's trumpets |
Acleisanthes wrightii |
Plants |
Not Listed |
Not Listed |
G2 |
S2 |
False |
Open semi-desert grasslands and shrublands on shallow stony soils over limestone on low hills and flats; Perennial; Flowering spring-fall, probably also in response to rains |
Vasey's adelia |
Adelia vaseyi |
Plants |
Not Listed |
Not Listed |
G3 |
S3 |
False |
Mostly subtropical evergreen/deciduous woodlands on loamy soils of Rio Grande Delta, but occassionally in shrublands on more xeric sandy to gravelly upland sites; Perennial; Flowering January-June |
earleaf false foxglove |
Agalinis auriculata |
Plants |
Not Listed |
Not Listed |
G3 |
SH |
False |
Known in Texas from one late nineteenth century specimen record labeled -Benbrook-; in Oklahoma, degraded prairies, floodplains, fallow fields, and borders of upland sterile woods; in Arkansas, blackland prairie; Annual; Flowering August - October |
Leoncita false-foxglove |
Agalinis calycina |
Plants |
Not Listed |
T |
G1 |
S1 |
False |
Grasslands on perennially moist, heavy, alkaline/saline, calcareous silty clays and loams in and around cienegas (desert springs) and seeps; Annual; Flowering September-October |
Osage Plains false foxglove |
Agalinis densiflora |
Plants |
Not Listed |
Not Listed |
G3 |
S2 |
False |
Most records are from grasslands on shallow, gravelly, well drained, calcareous soils; Prairies, dry limestone soils; Annual; Flowering Aug-Oct |
Navasota false foxglove |
Agalinis navasotensis |
Plants |
Not Listed |
Not Listed |
G1 |
S1 |
True |
Relatively sparsely vegetated, shallow, sandy soils on calcareous sandstone outcrops of the Oakville Formation, with associated surrounding species more typical of Edwards Plateau, than Post Oak Savanna or Blackland Prairie; also, Catahoula Formation barrens in pine savanna; Annual; Flowering September-October |
incised groovebur |
Agrimonia incisa |
Plants |
Not Listed |
Not Listed |
G3 |
S3 |
False |
Sandy soils in dry to mesic pine or mixed pine-oak forests and forest borders; usually in fire-maintained longleaf pine savannas but also in more mesic habitats; Perennial; Flowering July-September |
crestless onion |
Allium canadense var. ecristatum |
Plants |
Not Listed |
Not Listed |
G5T3 |
S3 |
True |
Occurs on poorly drained sites on sandy substrates within coastal prairies of the Coastal Bend area (Carr 2015). |
Elmendorf's onion |
Allium elmendorfii |
Plants |
Not Listed |
Not Listed |
G2 |
S2 |
True |
Grassland openings in oak woodlands on deep, loose, well-drained sands; in Coastal Bend, on Pleistocene barrier island ridges and Holocene Sand Sheet that support live oak woodlands; to the north it occurs in post oak-black hickory-live oak woodlands over Queen City and similar Eocene formations; one anomalous specimen found on Llano Uplift in wet pockets of granitic loam; Perennial; Flowering March-April, May |
Texas false saltgrass |
Allolepis texana |
Plants |
Not Listed |
Not Listed |
G2 |
S1 |
False |
Sandy to silty soils of valley bottoms and river floodplains, not generally on alkaline or saline sites; Perennial; Flowering (May-) July-October depending on rainfall |
South Texas ambrosia |
Ambrosia cheiranthifolia |
Plants |
LE |
E |
G2 |
S1 |
False |
Grasslands and mesquite-dominated shrublands on various soils ranging from heavy clays to lighter textured sandy loams, mostly over the Beaumont Formation on the Coastal Plain; in modified unplowed sites such as railroad and highyway right-of-ways, cemeteries, mowed fields, erosional areas along small creeks; Perennial; Flowering July-November |
longstalk heimia |
Ammannia grayi |
Plants |
Not Listed |
Not Listed |
G2G3 |
S2 |
False |
Moist or subirrigated alkaline or gypsiferous clayey soils along unshaded margins of cienegas and other wetlands; occurs sparingly on an alkaline, somewhat saline silt loam on terraces of spring-fed streams in grassland; also occurs common in moderately alkaline clay along perennial stream and in subirrigated wetlands atop poorly-defined spring system; also occurs in low, wetland area along highway right-of-way; flowering May-September |
smooth indigobush |
Amorpha laevigata |
Plants |
Not Listed |
Not Listed |
G3? |
S1 |
False |
Prairies, open woods and creek banks; Perennial; Flowering May-July |
panicled indigobush |
Amorpha paniculata |
Plants |
Not Listed |
Not Listed |
G3 |
S3 |
False |
A stout shrub, 3 m (9 ft) tall that grows in acid seep forests, peat bogs, wet floodplain forests, and seasonal wetlands on the edge of Saline Prairies in East Texas. It is distinguished from other Amorpha species by its fuzzy leaflets with prominent raised veins underneath, and the flower panicles, which are 8 to 16 inches long and slender, held above the foliage. Perennial; Flowering summer |
Texas amorpha |
Amorpha roemeriana |
Plants |
Not Listed |
Not Listed |
G3 |
S3 |
False |
Juniper-oak woodlands or shrublands on rocky limestone slopes, sometimes on dry shelves above creeks; Perennial; Flowering May-June; Fruiting June-Oct |