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<br />Texas Parks & Wildlife <br />Annotated County Lists of Rare Species <br />CALDWELL COUNTY, cont'd <br /> <br />Last Revision: 8/26/99 <br />Page 2 of 2 <br /> <br />Federal <br />Status <br /> <br />State <br />Status <br /> <br />adjacent Mexico; oak-juniper woodlands & mesquite-prickly pear associations; <br />eggs laid underground; eats small invertebrates <br />Texas Garter Snake (Thamnophis sirtalis annectens) - wet or moist microhabitats are <br />conducive to the species occurrence, but is not necessarily restricted to them; <br />hibernates underground or in or under surface cover; breeds March-August <br />Texas Horned Lizard (Phrynosoma comutum) - open, arid and semi-arid regions with <br />sparse vegetation, including grass, cactus, scattered brush or scrubby trees; soil <br />may vary in texture from sandy to rocky; burrows into soil, enters rodent <br />burrows, or hides under rock when inactive; breeds March-September <br />Timber/Canebrake Rattlesnake (Crotalus horridus) . swamps, floodplains, upland <br />pine and deciduous woodlands, riparian zones, abandoned farmland; limestone <br />bluffs, sandy soil or black clay; prefers dense ground cover, i.e. grapevines or <br />palmetto <br /> <br />T <br /> <br />T <br /> <br />,:.,:.,:. VASCULAR PLANTS ,:.,:.,:. <br />Bracted twistflower (Streptanthus bracteatus) - endemic; shallow clay soils over <br />limestone, mostly on rocky slopes, in openings in juniper-oak woodlands; <br />flowering April-May <br />Sandhill woolywhite (Hymenopappus carrizoanus) - endemic; open areas in deep sands <br />derived from Carrizo and similar Eocene formations, including disturbed areas; <br />flowering late spring-fall <br /> <br />LE,L T - Federally Listed Endangered/Threatened <br />PE,PT - Federally Proposed Endangered/Threatened <br />E/SA,T/SA - Federally Endangered/Threatened by Similarity of Appearance <br />C1 - Federal Candidate, Category 1; information suppOrts proposing to list as <br />endangered/threatened <br />DL,PDL - Federally Delisted/Proposed Delisted <br />E, T - State Endangered/Threatened <br />"blank" - Rare, but with no regulatory listing status <br /> <br />Species appearing on these lists do not all share the same probability of occurrence. Some species are <br />migrants or wintering residents only, or may be historic or considered extirpated. <br /> <br />A-28 <br />