Castro County

Showing 1–50 of 162.

• 
  Allium drummondii Regel Native ALDR

  Drummond's onion · Liliaceae
• 
  Amaranthus albus L. Introduced AMAL

  prostrate pigweed · Amaranthaceae
• 
  Amaranthus arenicola I.M. Johnst. Native AMAR

  sandhill amaranth · Amaranthaceae
• 
  Amaranthus tuberculatus (Moq.) Sauer Native AMTU

  roughfruit amaranth · Amaranthaceae
• 
  Aristida divaricata Humb. & Bonpl. ex Willd. Native ARDI5

  poverty threeawn · Poaceae
• 
  Aristida purpurea Nutt. Native ARPU9

  purple threeawn · Poaceae
• 
  Aristida purpurea Nutt. var. longiseta (Steud.) Vasey Native ARPUL

  Fendler threeawn · Poaceae
• 
  Asclepias asperula (Decne.) Woodson Native ASAS

  spider milkweed · Asclepiadaceae
• 
  Asclepias latifolia (Torr.) Raf. Native ASLA4

  broadleaf milkweed · Asclepiadaceae
• 
  Asclepias pumila (A. Gray) Vail Native ASPU

  plains milkweed · Asclepiadaceae
• 
  Asclepias subverticillata (A. Gray) Vail Native ASSU2

  horsetail milkweed · Asclepiadaceae
• 
  Astragalus mollissimus Torr. Native ASMO7

  woolly locoweed · Fabaceae
• 
  Astragalus mollissimus Torr. var. mollissimus Native ASMOM5

  woolly locoweed · Fabaceae
• 
  Bacopa rotundifolia (Michx.) Wettst. Native BARO

  disk waterhyssop · Scrophulariaceae
• 
  Bassia scoparia (L.) A.J. Scott Introduced BASC5

  burningbush · Chenopodiaceae
• 
  Berlandiera lyrata Benth. Native BELY

  lyreleaf greeneyes · Asteraceae
• 
  Bothriochloa laguroides (DC.) Herter Both BOLA2

  silver beardgrass · Poaceae
• 
  Bothriochloa laguroides (DC.) Herter ssp. torreyana (Steud.) Allred & Gould Native BOLAT

  silver beardgrass · Poaceae
• 
  Bouteloua curtipendula (Michx.) Torr. Native BOCU

  sideoats grama · Poaceae
• 
  Bouteloua curtipendula (Michx.) Torr. var. curtipendula Native BOCUC2

  sideoats grama · Poaceae
• 
  Bouteloua gracilis (Willd. ex Kunth) Lag. ex Griffiths Native BOGR2

  blue grama · Poaceae
• 
  Bouteloua hirsuta Lag. Native BOHI2

  hairy grama · Poaceae
• 
  Bouteloua hirsuta Lag. var. hirsuta Native BOHIH

  hairy grama · Poaceae
• 
  Bromus arvensis L. Introduced BRAR5

  field brome · Poaceae
• 
  Bromus catharticus Vahl Introduced BRCA6

  rescuegrass · Poaceae
• 
  Calylophus berlandieri Spach Native CABE6

  Berlandier's sundrops · Onagraceae
• 
  Calylophus berlandieri Spach ssp. berlandieri Native CABEB2

  Berlandier's sundrops · Onagraceae
• 
  Calylophus hartwegii (Benth.) P.H. Raven Native CAHA14

  Hartweg's sundrops · Onagraceae
• 
  Calylophus hartwegii (Benth.) P.H. Raven ssp. pubescens (A. Gray) Towner & P.H. Raven Native CAHAP

  Hartweg's sundrops · Onagraceae
• 
  Calylophus lavandulifolius (Torr. & A. Gray) P.H. Raven Native CALA38

  lavenderleaf sundrops · Onagraceae
• 
  Calylophus serrulatus (Nutt.) P.H. Raven Native CASE12

  yellow sundrops · Onagraceae
• 
  Cenchrus longispinus (Hack.) Fernald Native CELO3

  mat sandbur · Poaceae
• 
  Chaetopappa ericoides (Torr.) G.L. Nesom Native CHER2

  rose heath · Asteraceae
• 
  Chamaesaracha coniodes (Moric. ex Dunal) Britton Native CHCO

  gray five eyes · Solanaceae
• 
  Chamaesaracha sordida (Dunal) A. Gray Native CHSO

  hairy five eyes · Solanaceae
• 
  Chamaesyce fendleri (Torr. & A. Gray) Small Native CHFE3

  Fendler's sandmat · Euphorbiaceae
• 
  Chamaesyce lata (Engelm.) Small Native CHLA10

  hoary sandmat · Euphorbiaceae
• 
  Cheilanthes villosa Davenport ex Maxon Native CHVI

  villous lipfern · Pteridaceae
• 
  Chenopodium incanum (S. Watson) A. Heller Native CHIN2

  mealy goosefoot · Chenopodiaceae
• 
  Chenopodium incanum (S. Watson) A. Heller var. incanum Native CHINI

  mealy goosefoot · Chenopodiaceae
• 
  Chloris cucullata Bisch. Native CHCU2

  hooded windmill grass · Poaceae
• 
  Chloris virgata Sw. Native CHVI4

  feather fingergrass · Poaceae
• 
  Cirsium ochrocentrum A. Gray Native CIOC2

  yellowspine thistle · Asteraceae
• 
  Cirsium ochrocentrum A. Gray ssp. ochrocentrum Native CIOCO2

  yellowspine thistle · Asteraceae
• 
  Convolvulus arvensis L. Introduced COAR4

  field bindweed · Convolvulaceae
• 
  Convolvulus equitans Benth. Native COEQ

  Texas bindweed · Convolvulaceae
• 
  Conyza canadensis (L.) Cronquist Native COCA5

  Canadian horseweed · Asteraceae
• 
  Descurainia sophia (L.) Webb ex Prantl Introduced DESO2

  herb sophia · Brassicaceae
• 
  Echinochloa crus-galli (L.) P. Beauv. Introduced ECCR

  barnyardgrass · Poaceae
• 
  Echinochloa crus-pavonis (Kunth) Schult. Both ECCR2

  gulf cockspur grass · Poaceae