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) |
|---|---|---|---|---|---|---|---|---|---|
| Perityle rupestris var. albiflora | whiteflower leafy rock-daisy | Plants | Yes | Not Listed | Not Listed | G4T3 | S3 | Yes | Locally common on igneous rock outcrops; Perennial; Flowering May-Oct; Fruiting Sept |
| Perityle rupestris var. rupestris | leafy rock-daisy | Plants | Yes | Not Listed | Not Listed | G4T3 | S3 | Yes | Igneous rock outcrops; Perennial; Flowering May-Nov; Fruiting June-Sept |
| Perityle vitreomontana | Glass Mountains rock-daisy | Plants | Yes | Not Listed | Not Listed | G1 | S1 | Yes | Crevices and solution pockets in Capitan Limestone exposures on cliffs and rock outcrops in the Glass Mountains; flowering June-October |
| Perityle warnockii | Warnock's rock-daisy | Plants | Yes | Not Listed | Not Listed | G1 | S1 | Yes | Crevices and solution pits in steep, dry, inaccessible limestone bluffs; flowering spring-fall |
| Phacelia petiolata | stalk-leaf phacelia | Plants | Yes | Not Listed | Not Listed | G2 | S1 | No | <span><span>Chihuahuan Desert scrub on gypsum at low elevations; flowering May-August</span></span>. |
| Phaseolus texensis | canyon bean | Plants | Yes | Not Listed | Not Listed | G2 | S2 | Yes | Narrowly endemic to rocky canyons in eastern and southern Edwards Plateau occurring on limestone soils in mixed woodlands, on limestone cliffs and outcrops, frequently along creeks. Flowering: May-Oct. |
| Philadelphus texensis var. ernestii | canyon mock-orange | Plants | Yes | Not Listed | Not Listed | G3T3 | S3 | No | Usually found growing from honeycomb pits on outcrops of Cretaceous limestone exposed as rimrock along mesic canyons, usually in the shade of mixed evergreen-deciduous canyon woodland; flowering April-June, fruit dehiscing September-October |
| Philadelphus texensis var. texensis | Texas mock-orange | Plants | Yes | Not Listed | Not Listed | G3T2 | S2 | No | Limestone slopes and ravines, slopes in oak-juniper woodlands; variety texensis has a more westward range than var. ernestii; it is known from Bandera, Bexar, Edwards, Kendall, Medina, Real, and Uvalde counties in central Texas; Flowering Apr�May; fruiting Jun�Oct (Freeman 2017). |
| Phlox drummondii ssp. johnstonii | Johnston's phlox | Plants | Yes | Not Listed | Not Listed | G5T3 | S3 | Yes | Found on sandy soils; Annual; Flowering/Fruiting April-June |
| Phlox nivalis ssp. texensis | Texas trailing phlox | Plants | Yes | E 09/30/1991 |
E 03/30/1993 |
G4T2 | S2 | Yes | Relatively open fire-maintained pine or pine-hardwood forests on soils with a deep, sandy surface layer and clayey subsurface layers; flowering late March-early April (-May) |
| Phlox oklahomensis | Oklahoma phlox | Plants | Yes | Not Listed | Not Listed | G3 | SH | No | Known from a 1958 collection from an oak woodland four miles east of Garland, Texas (Carr 2015). |
| Phyllanthopsis arida | Trans-Pecos maidenbush | Plants | Yes | Not Listed | Not Listed | G2 | S1 | No | Crevices in calcareous bedrock exposures on arid mountain slopes, usually with succulents, Texas sites are on Cretaceous limestone; Mexican sites differ; flowering July-October |
| Phyllanthus abnormis var. riograndensis | sand sheet leaf-flower | Plants | Yes | Not Listed | Not Listed | G5T3 | S3 | Yes | Semi-desert scrub of deep South Texas; Annual; Flowering Feb-July; Fruiting Oct-March |
| Phyllanthus ericoides | heather leaf-flower | Plants | Yes | Not Listed | Not Listed | G2 | S1 | No | Crevices in limestone on dry canyon walls and other rock outcrops; flowering October, and presumably in other months, given sufficient moisture |
| Physaria angustifolia | threadleaf bladderpod | Plants | Yes | Not Listed | Not Listed | G3 | S1 | No | Limestone glades or chalk outcrops on the Annona and other Cretaceous formations (Carr 2011). March - May. |
| Physaria mcvaughiana | McVaugh's bladderpod | Plants | Yes | Not Listed | Not Listed | G3 | S3 | No | Grasslands on rocky limestone uplands at moderate elevations; Stream bed gravels, rocky limestone slopes and hills, canyon bottoms and slopes, limestone rubble, 1200-1600 m elevation; Perennial; Flowering/Fruiting March-Aug |
| Physaria pallida | white bladderpod | Plants | Yes | E 03/11/1987 |
E 05/18/1987 |
G1 | S1 | Yes | Natural openings or glades within pine-oak forests on calcareous sandy loam over glauconite or ironstone of the Weches Formation; these glades are seep moistened during the winter and spring, but become desiccated during the summer; flowering April-May |
| Physaria thamnophila | Zapata bladderpod | Plants | Yes | E 11/22/1999 |
E 07/18/2001 |
G1G2 | S1S2 | No | Open, thorn shrublands on shallow, well-drained sandy loams and sandstone outcrops of Eocene origin, including the Jackson Group and Yegua and Laredo formations; the known sites soils are mapped as Zapata, Maverick, Catarina, or Copita Series; flowering usually February-April, but also summer or fall depending on rainfall |
| Physaria valida | strong bladderpod | Plants | Yes | Not Listed | Not Listed | G3 | S1 | No | Open gravelly areas over limestone in pinyon-juniper woodlands at elevations of 900-2,000 m (2,950-6,550 ft); flowering March-May (-August) |
| Physostegia correllii | Correll's false dragon-head | Plants | Yes | Not Listed | Not Listed | G2 | S2 | No | Wet, silty clay loams on streamsides, in creek beds, irrigation channels and roadside drainage ditches; or seepy, mucky, sometimes gravelly soils along riverbanks or small islands in the Rio Grande; or underlain by Austin Chalk limestone along gently flowing spring-fed creek in central Texas; flowering May-September |
| Physostegia longisepala | long-sepaled false dragon-head | Plants | Yes | Not Listed | Not Listed | G2G3 | S2 | No | Relatively open areas on poorly drained, acid loams on level terrain over Beaumont, Deweyville, and Montgomery formations; probably originally found in fire-maintained wetland pine savannas or in the transition zone between such flatwoods and adjacent coastal prairies, now found primarily in secondary habitats, such as wet borrow ditches along roadsides and moist areas in human-made clearings in pine woodlands; flowering early May-early July |
| Pinaropappus parvus | little rock lettuce | Plants | Yes | Not Listed | Not Listed | G3 | S3 | No | Occurs on limestone cliff faces and among boulders on mountain slopes, in oak-pine, juniper and chaparral zones, at altitudes ranging from 1500 to 2200 meters; Perennial; Flowering June-July; Fruiting July |
| Pinus arizonica var. stormiae | pino real | Plants | Yes | Not Listed | Not Listed | G4T3 | S1 | No | Known from a few sites in the Chisos Mountains (Powell 1998) (Carr 2015) |
| Platanthera chapmanii | Chapman's orchid | Plants | Yes | Not Listed | Not Listed | G2G3 | S1 | No | In Texas, appears restricted to wetland pine savannas and savanna swales in hillside seepage bogs, two very restricted and declining habitats in the State; flowering July-August |
| Platanthera integra | yellow fringeless orchid | Plants | Yes | Not Listed | Not Listed | G3G4 | S1 | No | Currently known only from a few bog sites in Angelina, Jasper and Newton counties; Perennial; Flowering/Fruiting Aug |