Webb County

Showing 1–50 of 683.

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  Abutilon abutiloides (Jacq.) Garcke ex Hochr. Native ABAB

  shrubby Indian mallow · Malvaceae
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  Abutilon berlandieri A. Gray ex S. Watson Native ABBE

  Berlandier's Indian mallow · Malvaceae
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  Abutilon fruticosum Guill. & Perr. Native ABFR3

  Texas Indian mallow · Malvaceae
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  Acaciella leucothrix (Standl.) Britton & Rose Native ACLE10

  whitehair acacia · Fabaceae
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  Acalypha monostachya Cav. Native ACMO

  round copperleaf · Euphorbiaceae
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  Acalypha radians Torr. Native ACRA

  cardinal's feather · Euphorbiaceae
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  Acanthocereus tetragonus (L.) Humm. Native ACTE4

  triangle cactus · Cactaceae
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  Acleisanthes longiflora A. Gray Native ACLO2

  angel's trumpets · Nyctaginaceae
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  Acleisanthes obtusa (Choisy) Standl. Native ACOB2

  Berlandier's trumpets · Nyctaginaceae
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  Acourtia runcinata (Lag. ex D. Don) B.L. Turner Native ACRU3

  featherleaf desertpeony · Asteraceae
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  Allionia incarnata L. Native ALIN

  trailing windmills · Nyctaginaceae
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  Allionia incarnata L. var. incarnata Native ALINI

  trailing windmills · Nyctaginaceae
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  Allium drummondii Regel Native ALDR

  Drummond's onion · Liliaceae
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  Allium runyonii Ownbey Native ALRU

  Runyon's onion · Liliaceae
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  Allowissadula lozanii (Rose) D.M. Bates Native ALLO2

  Lozano's false Indianmallow · Malvaceae
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  Alophia drummondii (Graham) R.C. Foster Native ALDR2

  propeller flower · Iridaceae
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  Aloysia gratissima (Gillies & Hook.) Troncoso Native ALGR2

  whitebrush · Verbenaceae
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  Alternanthera caracasana Kunth Introduced ALCA5

  washerwoman · Amaranthaceae
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  Alternanthera paronychioides A. St.-Hil. Both ALPA17

  smooth joyweed · Amaranthaceae
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  Alternanthera paronychioides A. St.-Hil. var. paronychioides Native ALPAP

  smooth joyweed · Amaranthaceae
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  Amaranthus acanthochiton Sauer Native AMAC

  greenstripe · Amaranthaceae
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  Amaranthus albus L. Introduced AMAL

  prostrate pigweed · Amaranthaceae
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  Amaranthus blitoides S. Watson Introduced AMBL

  mat amaranth · Amaranthaceae
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  Amaranthus blitum L. Introduced AMBL2

  purple amaranth · Amaranthaceae
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  Amaranthus crassipes Schltdl. Both AMCR

  spreading amaranth · Amaranthaceae
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  Amaranthus crassipes Schltdl. var. crassipes Introduced AMCRC

  spreading amaranth · Amaranthaceae
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  Amaranthus cruentus L. Introduced AMCR4

  red amaranth · Amaranthaceae
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  Amaranthus palmeri S. Watson Native AMPA

  carelessweed · Amaranthaceae
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  Amaranthus polygonoides L. Native AMPO

  tropical amaranth · Amaranthaceae
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  Amaranthus scleropoides Uline & Bray Native AMSC

  bonebract amaranth · Amaranthaceae
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  Amaranthus ×texensis Henrickson [scleropoides × crassipes] Native AMTE9

  pigweed · Amaranthaceae
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  Amblyolepis setigera DC. Native AMSE

  huisache daisy · Asteraceae
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  Ambrosia confertiflora DC. Native AMCO3

  weakleaf bur ragweed · Asteraceae
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  Ambrosia psilostachya DC. Native AMPS

  Cuman ragweed · Asteraceae
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  Ammannia coccinea Rottb. Native AMCO

  valley redstem · Lythraceae
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  Ammi majus L. Introduced AMMA

  large bullwort · Apiaceae
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  Ammoselinum popei Torr. & A. Gray Native AMPO4

  plains sandparsley · Apiaceae
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  Amoreuxia wrightii A. Gray Native AMWR2

  Wright's yellowshow · Bixaceae
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  Anagallis arvensis L. Introduced ANAR

  scarlet pimpernel · Primulaceae
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  Anagallis arvensis L. ssp. arvensis Introduced ANARA7

  scarlet pimpernel · Primulaceae
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  Ancistrocactus scheeri (Salm-Dyck) Britton & Rose Native ANSC

  Scheer's fishhook cactus · Cactaceae
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  Andropogon glomeratus (Walter) Britton, Sterns & Poggenb. Native ANGL2

  bushy bluestem · Poaceae
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  Anethum graveolens L. Introduced ANGR2

  dill · Apiaceae
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  Anredera vesicaria (Lam.) C.F. Gaertn. Native ANVE2

  Texas madeiravine · Basellaceae
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  Antigonon leptopus Hook. & Arn. Introduced ANLE4

  coral vine · Polygonaceae
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  Aphanostephus ramosissimus DC. Native APRA

  plains dozedaisy · Asteraceae
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  Aphanostephus ramosissimus DC. var. ramosissimus Native APRAR

  plains dozedaisy · Asteraceae
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  Aphanostephus riddellii Torr. & A. Gray Native APRI

  Riddell's dozedaisy · Asteraceae
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  Aphanostephus skirrhobasis (DC.) Trel. Native APSK

  Arkansas dozedaisy · Asteraceae
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  Aphanostephus skirrhobasis (DC.) Trel. var. kidderi (S.F. Blake) B.L. Turner Native APSKK

  Arkansas dozedaisy · Asteraceae