The Vascular Flora of Madison County, Texas

Browsing the flora by division or class:

Ferns , Gymnosperms ,  Dicots A-C   D-M  N-Z ,  Monocots A-L   M-Z

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

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Division Family Genus Specific epithet Common name Abundance var./ ssp. Sub-specific tax. division
Magnoliopsida Nelumbonaceae Nelumbo lutea Yellow Lotus R

Magnoliopsida Nyctaginaceae Mirabilis albida White Four-O'Clock F

Magnoliopsida Nyctaginaceae Mirabilis jalapa Four-O'Clock R

Magnoliopsida Nyctaginaceae Mirabilis linearis Linearleaf Four-O'Clock I

Magnoliopsida Nyctaginaceae Mirabilis nyctaginea Wild Four-O'Clock I

Magnoliopsida Nymphaeaceae Nuphar lutea Spatterdock I ssp. advena
Magnoliopsida Nymphaeaceae Nymphaea odorata American Waterlily R ssp. odorata
Magnoliopsida Nyssaceae Nyssa sylvatica Black Tupelo I var. sylvatica
Magnoliopsida Oleaceae Forestiera acuminata Swamp Privet I

Magnoliopsida Oleaceae Forestiera ligustrina Privet Forestiera F

Magnoliopsida Oleaceae Fraxinus americana White Ash C

Magnoliopsida Oleaceae Fraxinus pennsylvanica Red Ash F

Magnoliopsida Oleaceae Ligustrum lucidum Wax-leaf Ligustrum R

Magnoliopsida Oleaceae Ligustrum sinense Chinese Privet C

Magnoliopsida Onagraceae Calylophus berlandieri Sundrops - ssp. pinifolius
Magnoliopsida Onagraceae Calyophus serrulatus Yellow Sundrops R

Magnoliopsida Onagraceae Gaura brachycarpa Plains Gaura C

Magnoliopsida Onagraceae Gaura longiflora Kearny Gaura I

Magnoliopsida Onagraceae Gaura sinuata Wavyleaf Gaura I

Magnoliopsida Onagraceae Gaura suffulta Roadside Gaura I ssp. suffulta
Magnoliopsida Onagraceae Ludwigia alternifolia Bushy Seedbox I

Magnoliopsida Onagraceae Ludwigia decurrens Primrose-willow I

Magnoliopsida Onagraceae Ludwigia glandulosa Torrey Seedbox I ssp. brachycarpa
Magnoliopsida Onagraceae Ludwigia glandulosa Torrey Seedbox I ssp. glandulosa
Magnoliopsida Onagraceae Ludwigia palustris American Seedbox C

Magnoliopsida Onagraceae Ludwigia peploides Smooth Water-primrose C

Magnoliopsida Onagraceae Oenothera heterophylla Varileaf Evening Primrose I ssp. heterophylla
Magnoliopsida Onagraceae Oenothera laciniata Cutleaf Evening Primrose C

Magnoliopsida Onagraceae Oenothera linifolia Threadleaf Sundrops I

Magnoliopsida Onagraceae Oenothera spachiana Spach Evening Primrose I

Magnoliopsida Onagraceae Oenothera speciosa Showy Evening Primrose F

Magnoliopsida Orobanchaceae Orobanche multiflora Largeflower Broomrape I

Magnoliopsida Oxalidaceae Oxalis corniculata Creeping Woodsorrel I

Magnoliopsida Oxalidaceae Oxalis dillenii Dillen Woodsorrel F

Magnoliopsida Oxalidaceae Oxalis rubra Pink Shamrock R

Magnoliopsida Oxalidaceae Oxalis stricta Yellow Woodsorrel C

Magnoliopsida Oxalidaceae Oxalis violacea Violet Woodsorrel I

Magnoliopsida Papaveraceae Argemone albiflora White Prickly Poppy I ssp. texana
Magnoliopsida Papaveraceae Argemone polyanthemos White Prickly Poppy I

Magnoliopsida Passifloraceae Passiflora incarnata Maypop F

Magnoliopsida Passifloraceae Passiflora lutea Yellow Passionflower F

Magnoliopsida Phytolaccaceae Phytolacca americana Pokeweed I

Magnoliopsida Phytolaccaceae Rivina humilis Rougeplant R

Magnoliopsida Plantaginaceae Plantago aristata Bottlebrush Plantain C

Magnoliopsida Plantaginaceae Plantago heterophylla Simplespike Plantain I

Magnoliopsida Plantaginaceae Plantago hookeriana Hooker Plantain I

Magnoliopsida Plantaginaceae Plantago patagonica Bristlebract Plantain I

Magnoliopsida Plantaginaceae Plantago rhodosperma Redseed Plantain F

Magnoliopsida Plantaginaceae Plantago virginica Paleseed Plantain C

Magnoliopsida Plantaginaceae Plantago wrightiana Wright Plantain F

Magnoliopsida Platanaceae Platanus occidentalis American Sycamore I

Magnoliopsida Polemoniaceae Ipomopsis rubra Standing Cypress R

Magnoliopsida Polemoniaceae Phlox cuspidata Pointed Phlox C

Magnoliopsida Polemoniaceae Phlox cuspidata Pointed Phlox C var. cuspidata
Magnoliopsida Polemoniaceae Phlox drummondii Drummond Phlox I var. peregrina
Magnoliopsida Polemoniaceae Phlox pilosa Downy Phlox R

Magnoliopsida Polygalaceae Polygala incarnata Pink Milkwort R

Magnoliopsida Polygalaceae Polygala polygama Bitter Milkwort I

Magnoliopsida Polygalaceae Polygala verticillata Whorled Milkwort I

Magnoliopsida Polygonaceae Brunnichia ovata Buckwheat Vine I

Magnoliopsida Polygonaceae Eriogonum longifolium Longleaf Wild Buckwheat I

Magnoliopsida Polygonaceae Polygonum hydropiperoides Swamp Smartweed C

Magnoliopsida Polygonaceae Polygonum lapathifolium Curltop Smartweed I

Magnoliopsida Polygonaceae Polygonum pensylvanicum Pennsylvania Smartweed F

Magnoliopsida Polygonaceae Polygonum persicaria Lady's Thumb I

Magnoliopsida Polygonaceae Polygonum punctatum Water Smartweed C

Magnoliopsida Polygonaceae Polygonum ramosissimum Bushy Knotweed I

Magnoliopsida Polygonaceae Polygonum setaceum Smartweed I

Magnoliopsida Polygonaceae Rumex chrysocarpus Pale Dock I

Magnoliopsida Polygonaceae Rumex crispus Curly Dock F

Magnoliopsida Polygonaceae Rumex hastatulus Heart Sorrel C

Magnoliopsida Polygonaceae Rumex pulcher Fiddle Dock F

Magnoliopsida Polygonaceae Rumex verticillatus Swamp Dock I

Magnoliopsida Portulacaceae Claytonia virginica Spring Beauty I

Magnoliopsida Portulacaceae Portulaca oleracea Common Purslane I

Magnoliopsida Portulacaceae Portulaca pilosa Chisme I

Magnoliopsida Portulacaceae Portulaca umbraticola Wingpod Portulaca I

Magnoliopsida Portulacaceae Talinum parviflorum Prairie Flameflower R

Magnoliopsida Primulaceae Anagallis arvensis Scarlet Pimpernel C

Magnoliopsida Primulaceae Centunculus minimus Chaffweed I

Magnoliopsida Primulaceae Samolus parviflorus Thinleaf Brookweed R

Magnoliopsida Ranunculaceae Anemone berlandieri Tenpetal Anemone I

Magnoliopsida Ranunculaceae Anemone caroliniana Carolina Anemone F

Magnoliopsida Ranunculaceae Clematis pitcheri Pitcher Clematis I var. pitcheri
Magnoliopsida Ranunculaceae Clematis reticulata Netleaf Clematis I

Magnoliopsida Ranunculaceae Delphinium carolinianum Carolina Larkspur I ssp. vimineum
Magnoliopsida Ranunculaceae Delphinium virescens Plains Larkspur -

Magnoliopsida Ranunculaceae Myosurus minimus Tiny Mousetail I

Magnoliopsida Ranunculaceae Ranunculus fasicularis Tufted Buttercup I

Magnoliopsida Ranunculaceae Ranunculus hispidus Bristly Buttercup I

Magnoliopsida Ranunculaceae Ranunculus laxicaulis Small Buttercup I

Magnoliopsida Ranunculaceae Ranunculus muricatus Roughseed Buttercup I

Magnoliopsida Ranunculaceae Ranunculus parviflorus Sticktight Buttercup C

Magnoliopsida Ranunculaceae Ranunculus pusillus Weak Buttercup F

Magnoliopsida Ranunculaceae Ranunculus sardous Buttercup C

Magnoliopsida Ranunculaceae Ranunculus scleratus Blister Buttercup I

Magnoliopsida Ranunculaceae Thalictrum dasycarpum Purple Meadow-rue -

Magnoliopsida Rhamnaceae Berchemia scandens Rattanvine F

Magnoliopsida Rhamnaceae Rhamnus caroliniana Carolina Buckthorn I

Magnoliopsida Rosaceae Crataegus marshallii Parsley Hawthorn F

Magnoliopsida Rosaceae Crataegus spathulata Littlehip Hawthorn I

Magnoliopsida Rosaceae Crataegus viridis Green Hawthorn F

Magnoliopsida Rosaceae Geum canadense White Avens F

Magnoliopsida Rosaceae Geum canadense White Avens F var. camporum
Magnoliopsida Rosaceae Prunus angustifolia Chickasaw Plum I

Magnoliopsida Rosaceae Prunus caroliniana Cherry-laurel I

Magnoliopsida Rosaceae Prunus gracilis Oklahoma Plum F

Magnoliopsida Rosaceae Prunus mexicana Mexican Plum F

Magnoliopsida Rosaceae Prunus persica Peach R

Magnoliopsida Rosaceae Prunus serotina Black Cherry I var. serotina
Magnoliopsida Rosaceae Pyracantha coccinea Scarlet Firethorn I

Magnoliopsida Rosaceae Pyrus calleryana Callery Pear I

Magnoliopsida Rosaceae Pyrus communis Common Pear I

Magnoliopsida Rosaceae Rosa carolina Carolina Rose I

Magnoliopsida Rosaceae Rosa multiflora Japanese Rose I

Magnoliopsida Rosaceae Rubus aboriginum Blackberry F

Magnoliopsida Rosaceae Rubus argutus Blackberry I

Magnoliopsida Rosaceae Rubus flagellaris Northern Blackberry I

Magnoliopsida Rosaceae Rubus trivialis Dewberry C

Magnoliopsida Rosaceae Spiraea prunifolia Bridal-wreath Spiraea R

Magnoliopsida Rubiaceae Cephalanthus occidentalis Buttonbush F

Magnoliopsida Rubiaceae Diodia teres Rough Buttonweed C

Magnoliopsida Rubiaceae Diodia virginiana Virginia Buttonweed F

Magnoliopsida Rubiaceae Galium aparine Velcro Plant F

Magnoliopsida Rubiaceae Galium circaezens Woods Bedstraw I

Magnoliopsida Rubiaceae Galium obtusum Bluntleaf Bedstraw I

Magnoliopsida Rubiaceae Galium pilosum Hairy Bedstraw C

Magnoliopsida Rubiaceae Galium tinctorium Dye Bedstraw F

Magnoliopsida Rubiaceae Galium virgatum Southwest Bedstraw I

Magnoliopsida Rubiaceae Hedyotis nigricans Prairie Bluets R

Magnoliopsida Rubiaceae Houstonia micrantha White Bluets I

Magnoliopsida Rubiaceae Houstonia pusilla Small Bluets F

Magnoliopsida Rubiaceae Houstonia rosea Rose Bluets I

Magnoliopsida Rubiaceae Mitchella repens Partridge-berry I

Magnoliopsida Rubiaceae Oldenlandia boscii - I

Magnoliopsida Rubiaceae Oldenlandia uniflora - R

Magnoliopsida Rubiaceae Sherardia arvensis Field-madder C

Magnoliopsida Rubiaceae Spermacoce glabra Smooth Buttonweed F

Magnoliopsida Rutaceae Poncirus trifoliolata Bitter Orange R

Magnoliopsida Rutaceae Zanthoxylum clava-herculis Hercules-club C

Magnoliopsida Salicaceae Populus deltoides Eastern Cottonwood I

Magnoliopsida Salicaceae Salix nigra Black Willow F

Magnoliopsida Sapindaceae Cardiospermum halicacabum Balloonvine I

Magnoliopsida Sapindaceae Sapindus saponaria Western Soapberry I var. drummondii
Magnoliopsida Sapotaceae Sideroxylon lanuginosum Gum Bumelia C

Magnoliopsida Sapotaceae Sideroxylon lanuginosum Gum Bumelia C ssp. albicans
Magnoliopsida Sapotaceae Sideroxylon lanuginosum Gum Bumelia C ssp. oblongifolia
Magnoliopsida Saururaceae Saururus cernuus Lizard-tail I

Magnoliopsida Saxifragacae Lepuropetalon spathulatum Petite-plant I

Magnoliopsida Saxifragaceae Penthorum sedoides Ditch-Stonecrop I

Magnoliopsida Saxifragaceae Saxifraga texana Texas Saxifrage I

Magnoliopsida Scrophulariaceae Agalinis fasiculata Beach Gerardia I

Magnoliopsida Scrophulariaceae Agalinis heterophylla Prairie Gerardia F

Magnoliopsida Scrophulariaceae Agalinis purpurea Purple Gerardia -

Magnoliopsida Scrophulariaceae Aureolaria grandiflora Bigflower Oakleech R var. grandiflora
Magnoliopsida Scrophulariaceae Bacopa monnieri Coastal Water-hyssop I

Magnoliopsida Scrophulariaceae Bacopa rotundifolia Disc Water-hyssop I

Magnoliopsida Scrophulariaceae Castilleja indivisa Texas Indian Paintbrush F

Magnoliopsida Scrophulariaceae Gratiola flava Golden Hedge-hyssop I

Magnoliopsida Scrophulariaceae Gratiola neglecta Yellowseed Hedge-hyssop F

Magnoliopsida Scrophulariaceae Gratiola virginiana Virginia Hedge-hyssop F

Magnoliopsida Scrophulariaceae Leucospora multifida Narrowleaf Conobea I

Magnoliopsida Scrophulariaceae Linaria canadensis Oldfield Toadflax C var. canadensis
Magnoliopsida Scrophulariaceae Linaria canadensis Texas Toadflax C var. texana
Magnoliopsida Scrophulariaceae Lindernia dubia Clasping False Pimpernel I var. anagallidea
Magnoliopsida Scrophulariaceae Mecardonia acuminata Sawtooth Water-hyssop I

Magnoliopsida Scrophulariaceae Mecardonia procumbens Prostrate Water-hyssop I

Magnoliopsida Scrophulariaceae Penstemon australis Southern Beardtongue I ssp. laxiflorus
Magnoliopsida Scrophulariaceae Verbascum thapsus Common Mullein I

Magnoliopsida Scrophulariaceae Veronica agrestis Wayside Speedwell I

Magnoliopsida Scrophulariaceae Veronica arvensis Common Speedwell F

Magnoliopsida Scrophulariaceae Veronica peregrina Purslane Speedwell F ssp. peregrina
Magnoliopsida Scrophulariaceae Veronica peregrina Purslane Speedwell F ssp. xalapensis
Magnoliopsida Simaroubaceae Ailanthus altissima Tree of Heaven I

Magnoliopsida Solanaceae Datura wrightii Jimsonweed I

Magnoliopsida Solanaceae Physalis cinerascens Beach Groundcherry F var. cinerascens
Magnoliopsida Solanaceae Physalis heterophylla Clammy Groundcherry I var. heterophylla
Magnoliopsida Solanaceae Physalis pubescens Downy Groundcherry C

Magnoliopsida Solanaceae Physalis pubescens Downy Groundcherry C var. integrifolia
Magnoliopsida Solanaceae Solanum capsicastrum False Jerusalem-cherry R

Magnoliopsida Solanaceae Solanum carolinense Carolina Horse-nettle C

Magnoliopsida Solanaceae Solanum dimidiatum Western Horse-nettle I

Magnoliopsida Solanaceae Solanum eleagnifolium Silverleaf Horse-nettle F

Magnoliopsida Solanaceae Solanum esculentum Cherry Tomato R var. cerasiforme
Magnoliopsida Solanaceae Solanum ptycanthum American Nightshade C

Magnoliopsida Solanaceae Solanum rostratum Buffalo-bur R

Magnoliopsida Solanaceae Solanum triquetrum Texas Nightshade I

Magnoliopsida Sphenocleaceae Sphenoclea zeylanica Chicken-spike I

Magnoliopsida Tiliaceae Tilia americana American Basswood I

Magnoliopsida Tiliaceae Tilia caroliniana Carolina Basswood F

Magnoliopsida Ulmaceae Celtis laevigata Sugar Hackberry C

Magnoliopsida Ulmaceae Planera aquatica Water Elm F

Magnoliopsida Ulmaceae Ulmus alata Winged Elm C

Magnoliopsida Ulmaceae Ulmus americana American Elm C

Magnoliopsida Ulmaceae Ulmus crassifolia Cedar Elm C

Magnoliopsida Urticaceae Boehmeria cylindrica False Nettle I

Magnoliopsida Urticaceae Parietaria obtusa Pellitory I

Magnoliopsida Urticaceae Parietaria pensylvanica Pennsylvania Pellitory F

Magnoliopsida Urticaceae Urtica chamaedryoides Heart-leaf Nettle I

Magnoliopsida Valerianaceae Valerianella florifera Cornsalad I

Magnoliopsida Valerianaceae Valerianella radiata Cornsalad C

Magnoliopsida Verbenaceae Callicarpa americana American Beautyberry C

Magnoliopsida Verbenaceae Lantana camara West-Indian Lantana I

Magnoliopsida Verbenaceae Lantana urticoides Lantana I

Magnoliopsida Verbenaceae Phyla lanceolata Lanceleaf Frogfruit C

Magnoliopsida Verbenaceae Phyla nodiflora Common Frogfruit F

Magnoliopsida Verbenaceae Phyla nodiflora Common Frogfruit F var. nodiflora
Magnoliopsida Verbenaceae Verbena bipinnatifida Dakota Vervain -

Magnoliopsida Verbenaceae Verbena brasiliensis Brazilian Vervain C

Magnoliopsida Verbenaceae Verbena canadensis Rose Vervain R

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

Magnoliopsida Verbenaceae Verbena stricta Hoary Vervain -

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

Magnoliopsida Violaceae Viola bicolor Field Pansy F

Magnoliopsida Violaceae Viola palmata Wood Violet I

Magnoliopsida Violaceae Viola sororia Missouri Violet F var. missouriensis
Magnoliopsida Violaceae Viola sororia Sister Violet F var. sororia
Magnoliopsida Viscaceae Phoradendron tomentosum Mistletoe C

Magnoliopsida Vitaceae Ampelopsis arborea Peppervine F

Magnoliopsida Vitaceae Ampelopsis cordata Heartleaf Peppervine I

Magnoliopsida Vitaceae Cissus incisa Ivy Treebine F

Magnoliopsida Vitaceae Parthenocissus quinquefolia Virginia Creeper I

Magnoliopsida Vitaceae Vitis aestivalis Summer Grape I var. lincecumeii
Magnoliopsida Vitaceae Vitis cinerea Sweet Grape F

Magnoliopsida Vitaceae Vitis mustangensis Mustang Grape C

Magnoliopsida Vitaceae Vitis palmata Catbird Grape I

Magnoliopsida Vitaceae Vitis riparia Frost Grape I

Magnoliopsida Vitaceae Vitis rotundifolia Muscadine Grape C var. rotundifolia