The Vascular Flora of Madison County, Texas

Browsing the flora by genus:

A-C     D-H     I-P     Q-S     T-Z

County Abundance :  R= rare      I= infrequently encountered     F= frequently encountered    C= common
blank= no data, past collectors

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Genus Specific epithet Family Division Common name Abundance var./ ssp. Sub-specific tax. division
Talinum parviflorum Portulacaceae Magnoliopsida Prairie Flameflower R

Taraxacum officinale Asteraceae Magnoliopsida Dandelion I

Taxodium distichum Taxodiaceae Pinophyta Bald Cypress R

Tephrosia onobrychoides Fabaceae Magnoliopsida Multibloom Hoary Pea I

Tephrosia virginiana Fabaceae Magnoliopsida Virginia Hoary Pea I

Tetraneuris scaposa Asteraceae Magnoliopsida Bitterweed -

Teucrium canadense Lamiaceae Magnoliopsida Germander I var. canadense
Thalia dealbata Marantaceae Liliopsida Powdery Thalia I

Thalictrum dasycarpum Ranunculaceae Magnoliopsida Purple Meadow-rue -

Tilia americana Tiliaceae Magnoliopsida American Basswood I

Tilia caroliniana Tiliaceae Magnoliopsida Carolina Basswood F

Tillandsia recurvata Bromeliaceae Liliopsida Ball-moss R

Tillandsia usneoides Bromeliaceae Liliopsida Spanish-moss I

Torilis arvensis Apiaceae Magnoliopsida Hedgeparsley I

Toxicodendron radicans Anacardiaceae Magnoliopsida Poison Ivy C ssp. radicans
Trachelospermum difforme Apocynaceae Magnoliopsida Climbing Dogbane F

Tradescantia hirsutiflora Commelinaceae Liliopsida Hairyflower Spiderwort F

Tradescantia ohiensis Commelinaceae Liliopsida Ohio Spiderwort F

Tradescantia reverschonii Commelinaceae Liliopsida Reverschon Spiderwort -

Tradescantia subacaulis Commelinaceae Liliopsida Stemless Spiderwort F

Tragia betonicifolia Euphorbiaceae Magnoliopsida Betony Noseburn F

Tragia brevispica Euphorbiaceae Magnoliopsida Shortspike Noseburn F

Tragia ramosa Euphorbiaceae Magnoliopsida Catnip Noseburn I

Tragia urticifolia Euphorbiaceae Magnoliopsida Nettleleaf Noseburn I

Trepocarpus aethusae Apiaceae Magnoliopsida - I

Triadenum walteri Clusiaceae Magnoliopsida Marsh St. John's Wort I

Trichostema dichotomum Lamiaceae Magnoliopsida Forked Bluecurls I

Tridens flavus Poaceae Liliopsida Chapman Tridens F var. chapmanii
Tridens flavus Poaceae Liliopsida Purpletop F var. flavus
Tridens strictus Poaceae Liliopsida Longspike Tridens F

Trifolium campestre Fabaceae Magnoliopsida Low Hop Clover F

Trifolium carolinianum Fabaceae Magnoliopsida Carolina Clover C

Trifolium incarnatum Fabaceae Magnoliopsida Crimson Clover I

Trifolium polymorphum Fabaceae Magnoliopsida Peanut Clover R

Trifolium resupinatum Fabaceae Magnoliopsida Persian Clover I

Trifolium vesiculosum Fabaceae Magnoliopsida Clover I

Triodanis perfoliata Campanulaceae Magnoliopsida Small Venus' Looking-glass C var. biflora
Triodanis perfoliata Campanulaceae Magnoliopsida Clasping Venus' Looking-glass C var. perfoliata
Tripsacum dactyloides Poaceae Liliopsida Eastern Gamagrass I

Triticum aestivum Poaceae Liliopsida Wheat I

Typha angustifolia Typhaceae Liliopsida Narrowleaf Cattail F

Typha domingensis Typhaceae Liliopsida Cattail I

Ulmus alata Ulmaceae Magnoliopsida Winged Elm C

Ulmus americana Ulmaceae Magnoliopsida American Elm C

Ulmus crassifolia Ulmaceae Magnoliopsida Cedar Elm C

Urochloa platyphylla Poaceae Liliopsida Broadleaved Signalgrass F

Urochloa texana Poaceae Liliopsida Texas Signalgrass F

Urtica chamaedryoides Urticaceae Magnoliopsida Heart-leaf Nettle I

Utricularia gibba Lentibulariaceae Magnoliopsida Cone-spur Bladderwort I

Utricularia radiata Lentibulariaceae Magnoliopsida Whorled Bladderwort I

Vaccinium arboreum Ericaceae Magnoliopsida Farkleberry C

Valerianella florifera Valerianaceae Magnoliopsida Cornsalad I

Valerianella radiata Valerianaceae Magnoliopsida Cornsalad C

Verbascum thapsus Scrophulariaceae Magnoliopsida Common Mullein I

Verbena bipinnatifida Verbenaceae Magnoliopsida Dakota Vervain -

Verbena brasiliensis Verbenaceae Magnoliopsida Brazilian Vervain C

Verbena canadensis Verbenaceae Magnoliopsida Rose Vervain R

Verbena officinalis Verbenaceae Magnoliopsida Slender Vervain C ssp. halei
Verbena scabra Verbenaceae Magnoliopsida Harsh Vervain I

Verbena stricta Verbenaceae Magnoliopsida Hoary Vervain -

Verbena urticifolia Verbenaceae Magnoliopsida White Vervain R var. urticifolia
Verbena xutha Verbenaceae Magnoliopsida Gulf Vervain I

Verbesina encelioides Asteraceae Magnoliopsida Cowpen Daisy I

Verbesina virginica Asteraceae Magnoliopsida Frostweed F

Vernonia baldwinii Asteraceae Magnoliopsida Baldwin Ironweed I

Vernonia missurica Asteraceae Magnoliopsida Missouri Ironweed -

Vernonia texana Asteraceae Magnoliopsida Texas Ironweed F

Veronica agrestis Scrophulariaceae Magnoliopsida Wayside Speedwell I

Veronica arvensis Scrophulariaceae Magnoliopsida Common Speedwell F

Veronica peregrina Scrophulariaceae Magnoliopsida Purslane Speedwell F ssp. peregrina
Veronica peregrina Scrophulariaceae Magnoliopsida Purslane Speedwell F ssp. xalapensis
Viburnum rufidulum Caprifoliaceae Magnoliopsida Rusty Blackhaw Viburnum I

Vicia ludoviciana Fabaceae Magnoliopsida Louisiana Vetch F ssp. ludoviciana
Vicia lutea Fabaceae Magnoliopsida Yellow Vetch I

Vicia minutiflora Fabaceae Magnoliopsida Small-flowered Vetch I

Vicia sativa Fabaceae Magnoliopsida Narrow-leaved Vetch F ssp. nigra
Vicia villosa Fabaceae Magnoliopsida Hairy Vetch C

Vicia villosa Fabaceae Magnoliopsida Hairy Vetch C var. glabrescens
Vicia villosa Fabaceae Magnoliopsida Hairy Vetch C ssp. varia
Vigna unguiculata Fabaceae Magnoliopsida Black-eyed Pea R

Viola bicolor Violaceae Magnoliopsida Field Pansy F

Viola palmata Violaceae Magnoliopsida Wood Violet I

Viola sororia Violaceae Magnoliopsida Missouri Violet F var. missouriensis
Viola sororia Violaceae Magnoliopsida Sister Violet F var. sororia
Vitis aestivalis Vitaceae Magnoliopsida Summer Grape I var. lincecumeii
Vitis cinerea Vitaceae Magnoliopsida Sweet Grape F

Vitis mustangensis Vitaceae Magnoliopsida Mustang Grape C

Vitis palmata Vitaceae Magnoliopsida Catbird Grape I

Vitis riparia Vitaceae Magnoliopsida Frost Grape I

Vitis rotundifolia Vitaceae Magnoliopsida Muscadine Grape C var. rotundifolia
Vulpia myuros Poaceae Liliopsida Rattail Sixweeks Grass I var. myuros
Vulpia octoflora Poaceae Liliopsida Common Sixweeks Grass C var. octoflora
Vulpia sciurea Poaceae Liliopsida Squirrel Sixweeks Grass I

Wisteria sinensis Fabaceae Magnoliopsida Chinese Wisteria I

Wolffia columbiana Lemnaceae Liliopsida Water-meal I

Woodsia obtusa Dryopteridaceae Pteridophyta Common Woodsia F

Woodwardia areolata Blechnaceae Pteridophyta Chain Fern I

Xanthium strumarium Asteraceae Magnoliopsida Cocklebur I

Yucca arkansana Agavaceae Liliopsida Arkansas Yucca I

Yucca louisianensis Agavaceae Liliopsida Louisiana Yucca I

Yucca treculeana Agavaceae Liliopsida Spanish Dagger R

Zanthoxylum clava-herculis Rutaceae Magnoliopsida Hercules-club C

Zea mays Poaceae Liliopsida Corn I

Zigadenus nuttallii Liliaceae Liliopsida Nutall Deathcamas R

Zizaniopsis miliacea Poaceae Liliopsida Southern Wildrice I