Caldwell County Modern Annuals & Perennials As of February 13, 2015 This checklist of the vascular plants of Caldwell County is primarily based on the collections in the herbarium at Plant Resource Center (PRC), University of Texas, Austin. Additional records were added from the USDA files, historic plant lists from Lockhart State Park (LSP), recent LSP surveys, and local private land surveys. Special codes used: asterisk (*) USDA, pound sign (#) local LSP and private land surveys. Rare plants listed from Rare Plants of Texas by Poole, et.al. are indicated with an exclamation point (!). New Biota of North Ameaica (BONAP) modern family names have an ampersand (&). Species marked in bold are listed on the Texas Department of Agriculture Noxious Weeds list, on the USDA list, or introduced. Scientific Name Common Name Acanthaceae Family Acanthus Family Dyschoriste linearis snake herb Ruellia nudiflora violet wild petunia Ruellia strepens limestone wild petunia Amaranthaceae Family & Amaranth Family Alternanthera caracasana mat chaffweed Amaranthus blitoides prostrate pigweed Chenopodium pratericola thickleaf goosefoot Amaranthus hybridus green amaranth Froelichia floridana field snakecotton Froelichia gracilis slender snake cotton Gossypianthus lanuginosus woolly cottonflower Apiaceae Family Carrot Family Bowlesia incana hoary bowlesia Chaerophyllum tainturieri wild chervil Conium maculata poison hemlock Hydrocotyle ranunculoides water pennywort # Spermolepis divaricata forked scaleseed Spermolepis echinata bristly scaleseed Tauschia texana Texas umbrellawort Torilis nodosa knotted hedge parsley Apocynaceae Family & Dogbane Family Asclepias amplexicaulis clasping milkweed Asclepias asperula antelope horns milkweed Asclepias oenotheroides cluster milkweed Asclepias tuberosa butterfly-weed Asclepias viridis green milkweed Matelea cynanchoides prairie milkvine * Caldwell County Modern Annuals, Perennials - Prepared by Lost Pines Master Naturalists Page 1 Scientific Name Common Name Aristolochiaceae Family Birthwort Family Aristolochia erecta swanflower Asteraceae Family Aster Family Ambrosia psilostachys western ragweed Ambrosia trifida giant ragweed Amphiachyris dracunculoides prairie broomweed Antennaria parlinii Parlin's pussytoes Anthemis cotula dog fennel, stinking chamomile Aphanostephus skirrhobasis Arkansas lazy daisy Astranthium cilatum blue daisy Astranthium integrifolium entire-leaf western daisy Baccharis halimifolia eastern baccharis # Berlandiera pumila soft greeneyes Bidens frondosa beggar-ticks Chaetopappa asteroides common leastdaisy Chaetopappa bellidifolia leastdaisy Chaetopappa imberbis awn-less leastdaisy * Chloracantha spinosa spiny aster Chrysopsis canadensis gray golden aster Chrysopsis mariana Maryland golden aster Chrysopsis pilosa soft golden aster Cirsium horridulum yellow thistle Cirsium texanum Texas thistle Conyza canadensis horseweed Coreopsis basalis golden-wave Coreopsis nuecensis crown tickseed Coreopsis tinctoria plains coreopsis # Croptilon hookerianum Hooker's scratchdaisy Engelmannia peristenia Engelmann's daisy Erechtites hieracilifolia fireweed # Erigeron geiseri Geiser's fleabane Erigeron philadelphicus fleabane daisy Erigeron tenuis slender fleabane Eupatoriadelphus fistulum joepyeweed Eupatorium compositifolium yankeeweed # Eupatorium incarnatum pink thoroughwort Evax verna spring pygmy cudweed Gaillardia aestivalis prairie gaillardia Gaillardia amblyodom maroon gaillardia Gaillardia pulchella indian blanket Gaillardia suavis perfume ball Grindelia pappasa (G. ciliata) spanish gold, saw-leaf daisy Gutierrezia texana Texas broomweed Helenium amarum bitterweed Caldwell County Modern Annuals, Perennials - Prepared by Lost Pines Master Naturalists Page 2 Scientific Name Common Name Asteraceae Family continued Aster Family continued Helianthus annuus common sunflower Helianthus debilis cucumber-leaf sunflower Helianthus maximilliani Maximillian's sunflower Helianthus occidentalis few-leaf sunflower Heterotheca canescens hoary false golden aster Heterotheca subaxillaris camphor weed Hymenopappus artemisiifolius old plainsman, woolly-white Hymenopappus carrizoanus Carrizo Sands woolly-white ! Krigia occidentalis western dwarf dandelion Krigia virginica Virginia dwarf dandelion Krigia wrightii Wright's dwarf dandelion Liatris elegans pinkscale gayfeather Lindheimera texana Texas yellowstar Lygodesmia texana Texas skeletonplant Packera tampicana butterweed or great plains ragwort Palafoxia hookeriana showy palafoxia Parthenium hysterophorus false ragweed Pyrrhopappus pauciflorus smallflower desert chicory Ratibida Columnifera Mexican hat Rudbeckia hirta black-eyed Susan Silphium integrifolia whole-leaf rosinweed Silybum mariana milk thistle Solidago altissima tall goldenrod Solidago radula rough goldenrod Solidago ulmifolia elmleaf goldenrod * Sonchus asper sow thistle Symphotrichum oblongifolium aromatic aster Verbesina encelioides cowpen daisy Verbesina virginica frostweed Wedelia texana Zexmenia Xanthisma texanum Texas sleepy daisy # Xanthium strumarium common cocklebur Balsaminaceae Family Touch-Me-Not Family Impatiens capensis jewelweed Boraginaceae Family & Borage Family Lithospermum caroliniense Carolina puccoon Lithospermum incisum narrow-leaf gromwell Nama hispidum sandbell Nemophila phacelioides baby blue eyes Onosmodium bejariense soft-hair marble seed Phacelia strictiflora blue curls Caldwell County Modern Annuals, Perennials - Prepared by Lost Pines Master Naturalists Page 3 Scientific Name Common Name Brassicaceae Family Mustard Family Capsella bursa-pastoris Shepherd's purse Descurainia pinnata tansy mustard Draba cuneifolia whitlow-grass Lepidium virginicum Virginia pepperwort Lesquerella engelmannii Engelmann's bladderpod Lesquerella gracilis spreading bladderpod Lesquerella grandiflora big-flower bladderpod Rorippa teres southern marsh yellowcress Streptanthus bracteatus bracted jewelflower Campanulaceae Family Bellflower Family Triodanis perfoliata clasping Venus' looking-glass Triodanis texana Texas Venus' looking-glass Caryophyllaceae Family Pink Family Arenaria drummondii Drummond's sandwort Minuartia drummondii Drummond's stitchwort Paronychia drummondii Drummond's nailwort Paronychia lindheimeri Lindheimer's nailwort # Paronychia virginica yellow nailwort Silene antirrhina sleepy catchfly Stellaria media common chickweed Cistaceae Family Rockrose Family Helianthemum rosmarinifolium rosemary sunrose Lechea mucronata hairy pinweed Lechea tenuifolia narrowleaf pinweed Cleomaceae Family & Cleome Family Polansia erosa large crestpetal Crassulaceae Family Stonecrop Family Sedum nuttallianum yellow stonecrop Euphorbiaceae Family Spurge Family Argythamnia pilosissima wild mercury Chamaesyce albomarginata white-margin sandmat Chamaesyce bombensis dixie sandmat * Chamaesyce cordifolia heartleaf sandmat Chamaesyce hyssopifolia hyssop-leaf sandmat * Chamaesyce maculata spotted sandmat Chamaesyce missourica prairie sandmat Caldwell County Modern Annuals, Perennials - Prepared by Lost Pines Master Naturalists Page 4 Scientific Name Common Name Euphorbiaceae Family continued Spurge Family continued Chamaesyce nutans eyebane Chamaesyce prostrata prostrate sandmat Cnidoscolus texanus Texas bull nettle Croton argyranthemus healing croton Croton capitatus hogwort, woolly croton # Croton lindheimeri Lindheimer's hogwort Croton monanthogynus dove weed Croton texensis Texas croton Euphorbia bicolor snow-on-the-prairie Euphorbia corollata flowering spurge Euphorbia dentata toothed spurge Euphorbia marginata snow-on-the-mountain Euphorbia spathulata warty spurge Euphorbia tetrapora weak spurge Phyllanthus abnormis Drummond's leaf-flower Phyllanthus polygonoides knotweed leaf-flower Stillingia sylvatica queen's-delight Tragia betonicifolia betony noseburn Tragia brevispica short-spike noseburn Tragia ramosa branched noseburn Fabaceae Family Legume or Pea Family Acacia angustissima prairie acacia Amorpha canescens woolly lead Astragalus distortus Ozark milkvetch Astragalus leptocarpus slim-pod milkvetch Astragalus lindheimeri Lindheimer's milk vetch Astragalus pleianthus Edwards Plateau milkvetch * Baptisia bracteata longbract wild indigo Baptisia leucophaea creamy wild indigo Centrosema virginianum butterfly pea Chamaecrista fasciculata partridge pea Dalea aurea golden dalea Dalea candida white prairie clover Dalea drummondiana Drummond's Prairie Clover Dalea emarginata wedge-leaf prairie clover Dalea multiflora round-head clover Dalea phleoides slim-spike prairie clover Desmanthus illinoesis Illinois bundleflower Desmanthus acuminatus sharp-point bundle flower * Desmodium sessilifolium sessileleaf ticktrefoil Glottidium (sesbania) vescarium bagpod or bladderpod Indigofera miniata scarlet pea Indigofera suffruticosa indigo Caldwell County Modern Annuals, Perennials - Prepared by Lost Pines Master Naturalists Page 5 Scientific Name Common Name Fabaceae Family continued Legume or Pea Family continued Lupinus texensis Texas bluebonnet Medicago polymorpha burclover or medic Melilotus indicus annual yellow sweet clover Mimosa latidens sensitive briar Mimosa nuttallii Nuttall's sensitive briar Mimosa roemeriana Roemer's sensitive briar Pediomelum hypogaeum Indian breadroot Pediomelum latestipulatum Texas Plains Indian breadroot Pediomelum rhombifolium Gulf indian breadroot Rhynchosia americana snout bean Rhynchosia latifolia broad-leaf snout bean Rhynchosia minima least snout bean Sesbania herbacea coffee-bean Tephrosia lindheimeri Lindheimer's hoarypea Tephrosia onobrychoides multi-bloom hoarypea