Harris County

Showing 1,251–1,300 of 1,387.

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  Stylosanthes biflora (L.) Britton, Sterns & Poggenb. Native STBI2

  sidebeak pencilflower · Fabaceae
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  Symphyotrichum divaricatum (Nutt.) G.L. Nesom Native SYDI2

  southern annual saltmarsh aster · Asteraceae
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  Symphyotrichum drummondii (Lindl.) G.L. Nesom Native SYDR

  Drummond's aster · Asteraceae
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  Symphyotrichum drummondii (Lindl.) G.L. Nesom var. texanum (Burgess) G.L. Nesom Native SYDRT

  Drummond's aster · Asteraceae
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  Symphyotrichum dumosum (L.) G.L. Nesom Native SYDU2

  rice button aster · Asteraceae
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  Symphyotrichum lanceolatum (Willd.) G.L. Nesom Native SYLA6

  white panicle aster · Asteraceae
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  Symphyotrichum lanceolatum (Willd.) G.L. Nesom ssp. hesperium (A. Gray) G.L. Nesom Native SYLAH

  white panicle aster · Asteraceae
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  Symphyotrichum lanceolatum (Willd.) G.L. Nesom ssp. lanceolatum Native SYLAL6

  white panicle aster · Asteraceae
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  Symphyotrichum lanceolatum (Willd.) G.L. Nesom ssp. lanceolatum var. lanceolatum Native SYLAL4

  white panicle aster · Asteraceae
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  Symphyotrichum lateriflorum (L.) Á. Löve & D. Löve Native SYLA4

  calico aster · Asteraceae
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  Symphyotrichum oolentangiense (Riddell) G.L. Nesom Native SYOO

  skyblue aster · Asteraceae
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  Symphyotrichum patens (Aiton) G.L. Nesom Native SYPA11

  late purple aster · Asteraceae
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  Symphyotrichum patens (Aiton) G.L. Nesom var. patens Native SYPAP2

  late purple aster · Asteraceae
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  Symphyotrichum praealtum (Poir.) G.L. Nesom Native SYPR5

  willowleaf aster · Asteraceae
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  Symphyotrichum pratense (Raf.) G.L. Nesom Native SYPR7

  barrens silky aster · Asteraceae
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  Symphyotrichum sericeum (Vent.) G.L. Nesom Native SYSE2

  western silver aster · Asteraceae
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  Symplocos tinctoria (L.) L'Hér. Native SYTI

  common sweetleaf · Symplocaceae
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  Tamarix gallica L. Introduced TAGA

  French tamarisk · Tamaricaceae
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  Tamarix ramosissima Ledeb. Introduced TARA

  saltcedar · Tamaricaceae
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  Taraxacum officinale F.H. Wigg. Both TAOF

  common dandelion · Asteraceae
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  Taraxacum officinale F.H. Wigg. ssp. officinale Introduced TAOFO

  common dandelion · Asteraceae
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  Tauschia texana A. Gray Native TATE2

  Texas umbrellawort · Apiaceae
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  Taxodium distichum (L.) Rich. Native TADI2

  bald cypress · Cupressaceae
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  Tephrosia onobrychoides Nutt. Native TEON

  multibloom hoarypea · Fabaceae
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  Tetraneuris linearifolia (Hook.) Greene Native TELI3

  fineleaf fournerved daisy · Asteraceae
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  Teucrium canadense L. Native TECA3

  Canada germander · Lamiaceae
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  Teucrium cubense Jacq. Native TECU

  small coastal germander · Lamiaceae
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  Thalia dealbata Fraser ex Roscoe Native THDE

  powdery alligator-flag · Marantaceae
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  Thalictrum texanum (A. Gray) Small Native THTE

  Houston meadow-rue · Ranunculaceae
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  Thelypteris dentata (Forssk.) E.P. St. John Native THDE4

  downy maiden fern · Thelypteridaceae
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  Thelypteris kunthii (Desv.) Morton Native THKU

  Kunth's maiden fern · Thelypteridaceae
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  Thelypteris palustris Schott Native THPA

  eastern marsh fern · Thelypteridaceae
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  Thelypteris palustris Schott var. pubescens (G. Lawson) Fernald Native THPAP

  eastern marsh fern · Thelypteridaceae
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  Thunbergia alata Bojer ex Sims Introduced THAL3

  blackeyed Susan vine · Acanthaceae
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  Thurovia triflora Rose Native THTR7

  threeflower snakeweed · Asteraceae
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  Thymophylla tenuiloba (DC.) Small Native THTE7

  bristleleaf pricklyleaf · Asteraceae
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  Thymophylla tenuiloba (DC.) Small var. tenuiloba Native THTET

  bristleleaf pricklyleaf · Asteraceae
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  Tilia americana L. Native TIAM

  American basswood · Tiliaceae
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  Tilia americana L. var. caroliniana (Mill.) Castigl. Native TIAMC

  Carolina basswood · Tiliaceae
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  Tillandsia recurvata (L.) L. Native TIRE

  small ballmoss · Bromeliaceae
• ⚘
  Tillandsia usneoides (L.) L. Native TIUS

  Spanish moss · Bromeliaceae
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  Torilis arvensis (Huds.) Link Introduced TOAR

  spreading hedgeparsley · Apiaceae
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  Torilis nodosa (L.) Gaertn. Introduced TONO

  knotted hedgeparsley · Apiaceae
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  Toxicodendron radicans (L.) Kuntze Native TORA2

  eastern poison ivy · Anacardiaceae
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  Toxicodendron radicans (L.) Kuntze ssp. radicans Native TORAR

  eastern poison ivy · Anacardiaceae
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  Tradescantia hirsutiflora Bush Native TRHI

  hairyflower spiderwort · Commelinaceae
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  Tradescantia humilis Rose Native TRHU

  Texas spiderwort · Commelinaceae
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  Tradescantia reverchonii Bush Native TRRE

  Reverchon's spiderwort · Commelinaceae
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  Tradescantia subacaulis Bush Native TRSU

  stemless spiderwort · Commelinaceae
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  Tragia urticifolia Michx. Native TRUR2

  nettleleaf noseburn · Euphorbiaceae