spreading leastdaisy |
Chaetopappa effusa |
Plants |
Not Listed |
Not Listed |
G3G4 |
S4 |
True |
Limestone cliffs, ledges, bluffs, steep hillsides, sometimes in seepy areas, oak-juniper, oak, or mixed deciduous woods, 300-500 m elevation; Perennial; Flowering (May) July-Oct |
mat leastdaisy |
Chaetopappa hersheyi |
Plants |
Not Listed |
Not Listed |
G3 |
S2 |
False |
Dry limestone cliffs (often steep or vertical), ledges, boulders, and other exposed Permian limestone surfaces at 1,500-2,400 m (4,900-7,900 ft) in higher mountain canyons of the Guadalupe Mountains; flowering May-August |
awnless leastdaisy |
Chaetopappa imberbis |
Plants |
Not Listed |
Not Listed |
G3 |
S3 |
True |
In woodlands on lomas of Carrizo sand (TEX-LL specimens Carr 23875, 12507). Flowering and fruiting during Mar - May. |
Parry's leastdaisy |
Chaetopappa parryi |
Plants |
Not Listed |
Not Listed |
G3 |
S1 |
False |
Rocky slopes, talus, crevices, chaparral, oak, oak-juniper, or oak-pine-fir woods, 1400-1600 m elevation; Perennial; Flowering May-Aug, Fruiting Aug; Flowering May-Sept (-Oct) |
Texas windmill grass |
Chloris texensis |
Plants |
Not Listed |
Not Listed |
G2 |
S2 |
True |
Sandy to sandy loam soils in relatively bare areas in coastal prairie grassland remnants, often on roadsides where regular mowing may mimic natural prairie fire regimes; flowering in fall |
Douglas rabbitbrush |
Chrysothamnus spathulatus |
Plants |
Not Listed |
Not Listed |
G3 |
S2 |
False |
Occurs in the Guadalupe Mountains of Tex. and adjacent N.M. at 0-6000 feet; Perennial; Fruiting Aug-Nov |
cliff thistle |
Cirsium turneri |
Plants |
Not Listed |
Not Listed |
G3 |
S3 |
False |
Found mostly in fractures of vertical limestone cliff-faces in canyons along the Rio Grande; Perennial; Flowering April-Dec; Fruiting June-Oct |
Carrizo Sands leather-flower |
Clematis carrizoensis |
Plants |
Not Listed |
Not Listed |
G2 |
S2 |
True |
Occurs in the margins of post oak woodlands on deep sands of Carrizo formation (Carr 2015). |
scarlet leather-flower |
Clematis texensis |
Plants |
Not Listed |
Not Listed |
G3G4 |
S3S4 |
True |
Usually in oak-juniper woodlands in mesic rocky limestone canyons or along perennial streams; Perennial; Flowering March-July; Fruiting May-July |
stalked rhombopod |
Cleomella longipes |
Plants |
Not Listed |
Not Listed |
G3G4 |
S3 |
False |
Locally common in sparingly vegetated sandy or alkaline soils and along margins of seasonal wetlands in the Trans-Pecos (Carr 2015). |
Comal snakewood |
Colubrina stricta |
Plants |
Not Listed |
Not Listed |
G2 |
S1 |
False |
In El Paso County, found in a patch of thorny shrubs in colluvial deposits and sandy soils at the base of an igneous rock outcrop; the historic Comal County record does not describe the habitat; in Mexico ,found in shrublands on calcareous, gravelly, clay soils with woody associates; flowering late spring or early summer |
Jones's rainlilly |
Cooperia jonesii |
Plants |
Not Listed |
Not Listed |
G3Q |
S3 |
True |
Hardpan swales and other seasonally moist low areas (Jones 1977). Flowering mid summer--early fall (Jul--Oct) (Flagg, Smith & Flory 2002). |
Traub's rainlily |
Cooperia traubii |
Plants |
Not Listed |
Not Listed |
G3 |
S3 |
True |
Primarily sandy loam, open fields, coastal plains. Flowering early summer--mid fall (Jul--Nov) (Flagg, Smith & Flory 2002). |
goldenwave tickseed |
Coreopsis intermedia |
Plants |
Not Listed |
Not Listed |
G3 |
S3 |
False |
In deep sandy soils of sandhills in openings in or along margins of post oak woodlands and pine-oak forests of east Texas; Perennial; Flowering/Fruiting May-Aug |
Runyon's cory cactus |
Coryphantha macromeris var. runyonii |
Plants |
Not Listed |
Not Listed |
G5T2T3 |
S2S3 |
False |
Gravelly to sandy or clayey, calcareous, sometimes gypsiferous or saline soils, often over the Catahoula and Frio formations, on gentle hills and slopes to the flats between, at elevations ranging from 10 to 150 m (30 to 500 ft); ?late spring or early summer, November, fruit has been collected in August |
Nickels' cory cactus |
Coryphantha nickelsiae |
Plants |
Not Listed |
Not Listed |
G2 |
SH |
False |
Limestone outcrops and nearby alluvial or gravelly soils on hills or plains in grasslands or shrublands at low elevations; known sites in Mexico have been described as Chihuahuan Desert scrub; flowering August through September |
bunched cory cactus |
Coryphantha ramillosa ssp. ramillosa |
Plants |
LT |
T |
G2G3T2T3 |
S2S3 |
False |
Rocky slopes, ledges, and flats in the Chihuahuan Desert, most frequently on exposures of Santa Elena or Buda limestones or the Boquillas Formation between 400-1070 m (1300-3500 ft) in elevation; flowering August-November, perhaps as early as April in response to rainfall. |
Scheer's cory cactus |
Coryphantha scheeri var. uncinata |
Plants |
Not Listed |
Not Listed |
G4TUQ |
S2 |
False |
Rocky hillsides (Carr 2015). |
sawtooth hawthorn |
Crataegus mollis var. viburnifolia |
Plants |
Not Listed |
Not Listed |
G3 |
S3 |
True |
Rich alluvial soil, brushy habitats (Phipps 2015); Borders of woods and low ground (Correll and Johnston 1970); Flowering Mar; fruiting Sep�Oct. |
Nixon's dwarf hawthorn |
Crataegus nananixonii |
Plants |
Not Listed |
Not Listed |
G1 |
S1 |
True |
Found in open upland post oak-bluejack oak, scrubby woodland, or shortleaf pine-oak woodland on the Carrizo Sands and other formations. |
Turner's hawthorn |
Crataegus turnerorum |
Plants |
Not Listed |
Not Listed |
G3 |
S3 |
True |
Brush, dwarf oak scrub, stream banks, 300-600 m elevation; Perennial; Flowering April-June; Fruiting April-Sept |
Sutherland hawthorn |
Crataegus viridis var. glabriuscula |
Plants |
Not Listed |
Not Listed |
G5T3T4 |
S3 |
False |
In mesic soils of woods or on edge of woods, treeline/fenceline, or thicket. Above\near creeks and draws, in river bottoms. Flowering Mar-Apr; fruiting May-Oct. |
Texabama croton |
Croton alabamensis var. texensis |
Plants |
Not Listed |
Not Listed |
G3T2 |
S2 |
True |
In duff-covered loamy clay soils on rocky slopes in forested, mesic limestone canyons; locally abundant on deeper soils on small terraces in canyon bottoms, often forming large colonies and dominating the shrub layer; scattered individuals are occasionally on sunny margins of such forests; also found in contrasting habitat of deep, friable soils of limestone uplands, mostly in the shade of evergreen woodland mottes; flowering late February-March; fruit maturing and dehiscing by early June |
Cory's croton |
Croton coryi |
Plants |
Not Listed |
Not Listed |
G3 |
S3 |
True |
Grasslands and woodland openings on barrier islands and coastal sands of South Texas, inland on South Texas Sand Sheet; Annual; Flowering July-Oct; Fruiting July-Nov |
leatherweed croton |
Croton pottsii var. thermophilus |
Plants |
Not Listed |
Not Listed |
G5T1 |
S1 |
False |
Sparingly vegetated desert grasslands on extremely xeric sites at low elevations (500-800 m [1650-2640 ft), on substrates ranging from sand to limestone and basalt; flowering spring-fall |