The Vascular Flora of Madison County, Texas


Browsing the flora by division or class:

Ferns , GymnospermsDicots A-C   D-M  N-ZMonocots 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
Liliopsida Marantaceae Thalia dealbata Powdery Thalia I

Liliopsida Najadaceae Najas guadalupensis Southern Naiad R

Liliopsida Orchidaceae Corallorhiza wisteriana Wister Coralroot R

Liliopsida Orchidaceae Spiranthes cernua Nodding Ladies' Tresses F

Liliopsida Orchidaceae Spiranthes cernua Nodding Ladies' Tresses F var. cernua
Liliopsida Orchidaceae Spiranthes gracilis Slender Ladies' Tresses I var. gracilis
Liliopsida Orchidaceae Spiranthes parksii Navasota Ladies' Tresses -

Liliopsida Orchidaceae Spiranthes praecox Grass-leaved Ladies' Tresses R

Liliopsida Orchidaceae Spiranthes tuberosa Gray's Ladies' Tresses R

Liliopsida Orchidaceae Spiranthes vernalis Spring Ladies' Tresses F

Liliopsida Poaceae Agrostis elliotiana Elliot Bentgrass I

Liliopsida Poaceae Agrostis hiemalis Winter Bentgrass F

Liliopsida Poaceae Aira caryophylla Hairgrass I

Liliopsida Poaceae Alopecurus carolinianus Carolina Foxtail F

Liliopsida Poaceae Andropogon glomeratus Bushy Bluestem I

Liliopsida Poaceae Andropogon ternarius Splitbeard Bluestem I

Liliopsida Poaceae Andropogon virginicus Broomsedge Bluestem I

Liliopsida Poaceae Aristida desmantha Curly Threeawn I

Liliopsida Poaceae Aristida longespica Plains Threeawn F var. geniculata
Liliopsida Poaceae Aristida longespica Slimspike Threeawn F var. longespica
Liliopsida Poaceae Aristida oligantha Oldfield Threeawn F

Liliopsida Poaceae Arundinaria gigantea Giant Cane I

Liliopsida Poaceae Arundo donax Giant Reed I

Liliopsida Poaceae Avena fatua Wild Oats F var. fatua
Liliopsida Poaceae Avena fatua Common Oats F var. sativa
Liliopsida Poaceae Bothriochloa ischaemum King Ranch Bluestem F var. songarica
Liliopsida Poaceae Bothriochloa laguriodes Silver Bluestem I ssp. torreyana
Liliopsida Poaceae Bothriochloa longipaniculata Longspike Silver Bluestem I

Liliopsida Poaceae Bouteloua curtipendula Sideoats Grama R var. curtipendula
Liliopsida Poaceae Briza minor Little Quaking Grass F

Liliopsida Poaceae Bromus catharticus Rescuegrass F

Liliopsida Poaceae Bromus japonicus Japanese Brome F

Liliopsida Poaceae Bromus pubescens Brome -

Liliopsida Poaceae Bromus secalinus Rye Brome F

Liliopsida Poaceae Buchloe dactyloides Buffalograss I

Liliopsida Poaceae Cenchrus incertus Common Sandbur I

Liliopsida Poaceae Cenchrus spinifex Sandbur F

Liliopsida Poaceae Chasmanthium latifolium Broadleaf Woodoats F

Liliopsida Poaceae Chasmanthium laxum Woodoats F

Liliopsida Poaceae Chasmanthium sessiliflorum Narrowleaf Woodoats F

Liliopsida Poaceae Chloris canterai Windmillgrass R

Liliopsida Poaceae Chloris verticillata Tumble Windmillgrass R

Liliopsida Poaceae Chloris virgata Showy Windmillgrass I

Liliopsida Poaceae Chloris x subdolichostachya Shortspike Windmillgrass I

Liliopsida Poaceae Cynodon dactylon Bermuda Grass C

Liliopsida Poaceae Dactyloctenium aegyptium Durban Crowfootgrass I

Liliopsida Poaceae Dichanthelium aciculare Rosettegrass I

Liliopsida Poaceae Dichanthelium aciculare Rosettegrass I var. aciculare
Liliopsida Poaceae Dichanthelium acuminatum Woolly Rosettegrass C var. acuminatum
Liliopsida Poaceae Dichanthelium acuminatum Lindheimer Rosettegrass C var. lindheimeri
Liliopsida Poaceae Dichanthelium clandestinum Deertongue Rosettegrass R

Liliopsida Poaceae Dichanthelium commutatum Variable Rosettegrass I

Liliopsida Poaceae Dichanthelium dichotomum Rosettegrass I var. dichotomum
Liliopsida Poaceae Dichanthelium oligosanthes Rosettegrass F var. oligosanthes
Liliopsida Poaceae Dichanthelium oligosanthes Scribners Rosettegrass F var. scribnerianum
Liliopsida Poaceae Dichanthelium ravenelii Rosettegrass R

Liliopsida Poaceae Dichanthelium scoparium Velvet Rosettegrass C

Liliopsida Poaceae Dichanthelium sphaerocarpon Roundseed Rosettegrass F var. sphaerocarpon
Liliopsida Poaceae Digitaria cognata Fall Witchgrass I ssp. cognata
Liliopsida Poaceae Digitaria sanguinalis Hairy Crabgrass F

Liliopsida Poaceae Digitaria villosa Shaggy Crabgrass I

Liliopsida Poaceae Digitaria violascens Violet Crabgrass -

Liliopsida Poaceae Echinochloa colonum Junglerice I

Liliopsida Poaceae Echinochloa crusgallii Barnyard Grass F var. crusgallii
Liliopsida Poaceae Echinochloa muricata Barnyard Grass -

Liliopsida Poaceae Echinochloa walteri Barnyard Grass I

Liliopsida Poaceae Eleusine indica Goosegrass I

Liliopsida Poaceae Elymus canadensis Canada Wildrye F var. canadensis
Liliopsida Poaceae Elymus virginicus Virginia Wildrye F

Liliopsida Poaceae Eragrostis curtipedicillata Gummy Lovegrass I

Liliopsida Poaceae Eragrostis hirsuta Bigtop Lovegrass I

Liliopsida Poaceae Eragrostis hypnoides Teal Lovegrass I

Liliopsida Poaceae Eragrostis intermedia Plains Lovegrass I

Liliopsida Poaceae Eragrostis intermedia Plains Lovegrass I var. intermedia
Liliopsida Poaceae Eragrostis reptans Creeping Lovegrass I

Liliopsida Poaceae Eragrostis secundiflora Red Lovegrass C

Liliopsida Poaceae Eragrostis secundiflora Red Lovegrass C ssp. oxylepis
Liliopsida Poaceae Eragrostis spectabilis Purple Lovegrass F

Liliopsida Poaceae Eriochloa sericea Texas Cupgrass -

Liliopsida Poaceae Eustachys retusa Windmill Grass I

Liliopsida Poaceae Festuca obtusa Nodding Fescue I

Liliopsida Poaceae Glyceria septentrionalis Eastern Mannagrass R var. septentrionalis
Liliopsida Poaceae Gymnopogon ambiguus Bearded Skeletongrass -

Liliopsida Poaceae Hordeum leporinum Hare Barley I

Liliopsida Poaceae Hordeum pusillum Little Barley I

Liliopsida Poaceae Leersia lenticularis Catchfly Grass I

Liliopsida Poaceae Leersia virginica Whitegrass I

Liliopsida Poaceae Lolium perenne Perennial Ryegrass C

Liliopsida Poaceae Melica mutica Twoflower Melic F

Liliopsida Poaceae Muhlenbergia capillaris Hairyawn Muhly I

Liliopsida Poaceae Muhlenbergia schreiberi Nimblewill -

Liliopsida Poaceae Nasella leucotricha Texas Wintergrass F

Liliopsida Poaceae Oplismenus hirtellus Basketgrass I

Liliopsida Poaceae Panicum anceps Beaked Panicum I

Liliopsida Poaceae Panicum brachyanthum Pimple Panicum I

Liliopsida Poaceae Panicum dichotomiflorum Fall Panicum F

Liliopsida Poaceae Panicum diffusum Spreading Panicum -

Liliopsida Poaceae Panicum gymnocarpon Savannah Panicum I

Liliopsida Poaceae Panicum hallii Halls Panicum - var. hallii
Liliopsida Poaceae Panicum hians Gaping Panicum C

Liliopsida Poaceae Panicum rigidulum Redtop Panicum C

Liliopsida Poaceae Panicum virgatum Switchgrass I

Liliopsida Poaceae Paspalidium geminatum Paspalidium I var. geminatum
Liliopsida Poaceae Paspalum dilatatum Dallisgrass F

Liliopsida Poaceae Paspalum floridanum Florida Paspalum F var. glabratum
Liliopsida Poaceae Paspalum fluitans Water Paspalum I

Liliopsida Poaceae Paspalum laeve Field Paspalum -

Liliopsida Poaceae Paspalum notatum Bahiagrass F var. notatum
Liliopsida Poaceae Paspalum notatum Bahiagrass F var. saurae
Liliopsida Poaceae Paspalum plicatulum Brownseed Paspalum C

Liliopsida Poaceae Paspalum pubiflorum Hairyseed Paspalum -

Liliopsida Poaceae Paspalum setaceum Thin Paspalum I var. setaceum
Liliopsida Poaceae Paspalum setaceum Thin Paspalum I var. stramineum
Liliopsida Poaceae Paspalum urvillei Vaseygrass I

Liliopsida Poaceae Phalaris caroliniana Carolina Canarygrass F

Liliopsida Poaceae Piptochaetium avenaceum Blackseed Needlegrass F

Liliopsida Poaceae Poa annua Annual Bluegrass I

Liliopsida Poaceae Poa autumnalis Autumn Bluegrass I

Liliopsida Poaceae Poa chapmaniana Chapman Bluegrass I

Liliopsida Poaceae Polypogon monspeliensis Rabbitfoot Polypogon R

Liliopsida Poaceae Saccharum baldwinii - R

Liliopsida Poaceae Schizachyrium scoparium Little Bluestem F

Liliopsida Poaceae Schizachyrium scoparium Little Bluestem F var. divergens
Liliopsida Poaceae Schizachyrium scoparium Little Bluestem F var. scoparium
Liliopsida Poaceae Secale cereale Rye I

Liliopsida Poaceae Setaria parviflora Bristlegrass C

Liliopsida Poaceae Sorghastrum nutans Yellow Indiangrass I

Liliopsida Poaceae Sorghum halapense Johnsongrass C

Liliopsida Poaceae Sphenopholis interrupta Wedgescale I

Liliopsida Poaceae Sphenopholis obtusata Wedgescale F var. major
Liliopsida Poaceae Sphenopholis obtusata Prairie Wedgescale F var. obtusata
Liliopsida Poaceae Sporobolus compositus Dropseed I var. macer
Liliopsida Poaceae Sporobolus coromandelianus Dropseed I

Liliopsida Poaceae Sporobolus cryptandrus Sand Dropseed I

Liliopsida Poaceae Sporobolus indicus Smutgrass F

Liliopsida Poaceae Stenotaphrum secundatum St. Augustine Grass I

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

Liliopsida Poaceae Tripsacum dactyloides Eastern Gamagrass I

Liliopsida Poaceae Triticum aestivum Wheat I

Liliopsida Poaceae Urochloa platyphylla Broadleaved Signalgrass F

Liliopsida Poaceae Urochloa texana Texas Signalgrass F

Liliopsida Poaceae Vulpia myuros Rattail Sixweeks Grass I var. myuros
Liliopsida Poaceae Vulpia octoflora Common Sixweeks Grass C var. octoflora
Liliopsida Poaceae Vulpia sciurea Squirrel Sixweeks Grass I

Liliopsida Poaceae Zea mays Corn I

Liliopsida Poaceae Zizaniopsis miliacea Southern Wildrice I

Liliopsida Pontederiaceae Pontederia cordata Pickerelweed R var. lanceolata
Liliopsida Potamogetonaceae Eichhornia crassipes Water Hyacinth -

Liliopsida Potamogetonaceae Eichhornia crassipes Water Hyacinth -

Liliopsida Potamogetonaceae Potamogeton diversifolius Waterthread Pondweed I

Liliopsida Potamogetonaceae Potamogeton diversifolius Waterthread Pondweed I var. diversifolius
Liliopsida Smilacaceae Smilax bona-nox Cat-briar C

Liliopsida Smilacaceae Smilax glauca Saw-briar F

Liliopsida Smilacaceae Smilax glauca Saw-briar F var. leucophylla
Liliopsida Smilacaceae Smilax smallii Green-briar I

Liliopsida Smilacaceae Smilax tamnoides Hellfetter I

Liliopsida Typhaceae Typha angustifolia Narrowleaf Cattail F

Liliopsida Typhaceae Typha domingensis Cattail I