Starr County

Showing 401–450 of 592.

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  Panicum capillarioides Vasey Native PACA8

  slender panicgrass · Poaceae
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  Panicum hallii Vasey Native PAHA

  Hall's panicgrass · Poaceae
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  Pappophorum bicolor Fourn. Native PABI2

  pink pappusgrass · Poaceae
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  Pappophorum vaginatum Buckley Native PAVA2

  whiplash pappusgrass · Poaceae
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  Parkinsonia aculeata L. Native PAAC3

  Jerusalem thorn · Fabaceae
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  Parkinsonia texana (A. Gray) S. Watson Native PATE10

  Texas paloverde · Fabaceae
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  Parkinsonia texana (A. Gray) S. Watson var. macra (I.M. Johnst.) Isely Native PATEM

  Texas paloverde · Fabaceae
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  Parkinsonia texana (A. Gray) S. Watson var. texana Native PATET2

  Texas paloverde · Fabaceae
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  Parthenium confertum A. Gray Native PACO11

  Gray's feverfew · Asteraceae
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  Parthenium incanum Kunth Native PAIN2

  mariola · Asteraceae
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  Paspalum dilatatum Poir. Introduced PADI3

  dallisgrass · Poaceae
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  Paspalum distichum L. Native PADI6

  knotgrass · Poaceae
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  Paspalum pubiflorum Rupr. ex Fourn. Native PAPU5

  hairyseed paspalum · Poaceae
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  Paspalum setaceum Michx. Native PASE5

  thin paspalum · Poaceae
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  Paspalum urvillei Steud. Introduced PAUR2

  Vasey's grass · Poaceae
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  Passiflora foetida L. Both PAFO2

  fetid passionflower · Passifloraceae
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  Passiflora foetida L. var. gossypiifolia (Desv. ex Ham.) Masters Native PAFOG

  cottonleaf passionflower · Passifloraceae
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  Passiflora tenuiloba Engelm. Native PATE9

  birdwing passionflower · Passifloraceae
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  Pectis angustifolia Torr. Native PEAN

  lemonscent · Asteraceae
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  Pectis angustifolia Torr. var. tenella (DC.) Keil Native PEANT

  lemonscent · Asteraceae
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  Pectis cylindrica (Fernald) Rydb. Native PECY

  Sonoran chinchweed · Asteraceae
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  Pediomelum rhombifolium (Torr. & A. Gray) Rydb. Native PERH2

  Gulf Indian breadroot · Fabaceae
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  Pennisetum ciliare (L.) Link Introduced PECI

  buffelgrass · Poaceae
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  Phacelia congesta Hook. Native PHCO2

  caterpillars · Hydrophyllaceae
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  Phaulothamnus spinescens A. Gray Native PHSP2

  devilqueen · Achatocarpaceae
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  Phemeranthus aurantiacus (Engelm.) Kiger Native PHAU13

  orange fameflower · Portulacaceae
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  Phlox glabriflora (Brand) Whitehouse Native PHGL5

  Rio Grande phlox · Polemoniaceae
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  Phlox glabriflora (Brand) Whitehouse ssp. littoralis (Cory) Wherry Native PHGLL

  Rio Grande phlox · Polemoniaceae
• ⚘
  Phyla fruticosa (Mill.) Kennedy Introduced PHFR11

  diamondleaf fogfruit · Verbenaceae
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  Phyllanthus abnormis Baill. Native PHAB

  Drummond's leaf-flower · Euphorbiaceae
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  Phyllanthus abnormis Baill. var. abnormis Native PHABA

  Drummond's leaf-flower · Euphorbiaceae
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  Phyllanthus abnormis Baill. var. riograndensis G.L. Webster Native PHABR

  Rio Grande leaf-flower · Euphorbiaceae
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  Phyllanthus polygonoides Nutt. ex Spreng. Native PHPO3

  smartweed leaf-flower · Euphorbiaceae
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  Physalis cinerascens (Dunal) Hitchc. Native PHCI4

  smallflower groundcherry · Solanaceae
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  Physalis cinerascens (Dunal) Hitchc. var. cinerascens Native PHCIC3

  smallflower groundcherry · Solanaceae
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  Physalis hederifolia A. Gray Native PHHE4

  ivyleaf groundcherry · Solanaceae
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  Plantago hookeriana Fisch. & C.A. Mey. Native PLHO

  California plantain · Plantaginaceae
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  Plantago rhodosperma Decne. Native PLRH

  redseed plantain · Plantaginaceae
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  Pluchea odorata (L.) Cass. Native PLOD

  sweetscent · Asteraceae
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  Pluchea odorata (L.) Cass. var. odorata Native PLODO

  sweetscent · Asteraceae
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  Poa compressa L. Introduced POCO

  Canada bluegrass · Poaceae
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  Polanisia dodecandra (L.) DC. Native PODO3

  redwhisker clammyweed · Capparaceae
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  Polanisia dodecandra (L.) DC. ssp. riograndensis Iltis Native PODOR

  Rio Grande clammyweed · Capparaceae
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  Polanisia erosa (Nutt.) Iltis Native POER

  large clammyweed · Capparaceae
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  Polanisia erosa (Nutt.) Iltis ssp. breviglandulosa Iltis Native POERB

  large clammyweed · Capparaceae
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  Polygala glandulosa Kunth Native POGL5

  glandular milkwort · Polygalaceae
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  Polygala lindheimeri A. Gray Native POLI

  shrubby milkwort · Polygalaceae
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  Polygala lindheimeri A. Gray var. lindheimeri Native POLIL

  shrubby milkwort · Polygalaceae
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  Polygonum hispidum Kunth Native POHI2

  bristly smartweed · Polygonaceae
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  Polygonum punctatum Elliott Native POPU5

  dotted smartweed · Polygonaceae