Willacy County

Showing 351–400 of 546.

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  Oenothera sinuosa W.L. Wagner & Hoch Native OESI3

  wavyleaf beeblossom · Onagraceae
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  Opuntia engelmannii Salm-Dyck ex Engelm. Native OPEN3

  cactus apple · Cactaceae
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  Opuntia engelmannii Salm-Dyck ex Engelm. var. lindheimeri (Engelm.) Parfitt & Pinkava Native OPENL

  Texas pricklypear · Cactaceae
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  Opuntia humifusa (Raf.) Raf. Native OPHU

  devil's-tongue · Cactaceae
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  Opuntia macrorhiza Engelm. Native OPMA2

  twistspine pricklypear · Cactaceae
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  Opuntia macrorhiza Engelm. var. macrorhiza Native OPMAM3

  twistspine pricklypear · Cactaceae
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  Oxalis drummondii A. Gray Native OXDR

  Drummond's woodsorrel · Oxalidaceae
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  Palafoxia texana DC. Native PATE

  Texas palafox · Asteraceae
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  Palafoxia texana DC. var. ambigua (Shinners) B.L. Turner & Morris Native PATEA

  Texas palafox · Asteraceae
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  Panicum amarum Elliott Native PAAM2

  bitter panicgrass · Poaceae
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  Panicum capillare L. Native PACA6

  witchgrass · Poaceae
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  Panicum capillarioides Vasey Native PACA8

  slender panicgrass · Poaceae
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  Panicum dichotomiflorum Michx. Native PADI

  fall panicgrass · Poaceae
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  Panicum dichotomiflorum Michx. var. dichotomiflorum Native PADID

  fall panicgrass · Poaceae
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  Panicum ghiesbreghtii Fourn. Native PAGH

  Ghiesbreght's panicgrass · Poaceae
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  Panicum hallii Vasey Native PAHA

  Hall's panicgrass · Poaceae
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  Panicum virgatum L. Native PAVI2

  switchgrass · Poaceae
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  Panicum virgatum L. var. virgatum Native PAVIV

  switchgrass · 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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  Parthenium hysterophorus L. Introduced PAHY

  Santa Maria feverfew · Asteraceae
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  Paspalum distichum L. Native PADI6

  knotgrass · Poaceae
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  Paspalum hartwegianum Fourn. Native PAHA3

  Hartweg's paspalum · Poaceae
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  Paspalum monostachyum Vasey Native PAMO4

  gulfdune paspalum · Poaceae
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  Paspalum plicatulum Michx. Native PAPL3

  brownseed paspalum · Poaceae
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  Paspalum setaceum Michx. Native PASE5

  thin paspalum · 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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  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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  Pennisetum nervosum (Nees) Trin. Introduced PENE4

  bentspike fountaingrass · Poaceae
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  Pereskia aculeata Mill. Introduced PEAC2

  Barbados shrub · Cactaceae
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  Perityle microglossa Benth. Native PEMI5

  shortray rockdaisy · Asteraceae
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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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  Phemeranthus parviflorus (Nutt.) Kiger Native PHPA29

  sunbright · 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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  Phyla nodiflora (L.) Greene Native PHNO2

  turkey tangle fogfruit · Verbenaceae
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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 cinerascens (Dunal) Hitchc. var. spathulifolia (Torr.) J.R. Sullivan Native PHCIS

  smallflower groundcherry · Solanaceae
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  Physalis heterophylla Nees Native PHHE5

  clammy groundcherry · Solanaceae
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  Physalis mollis Nutt. Native PHMO9

  field groundcherry · Solanaceae
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  Physalis mollis Nutt. var. variovestita (Waterf.) J.R. Sullivan Native PHMOV

  field groundcherry · Solanaceae
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  Physalis pubescens L. Native PHPU7

  husk tomato · Solanaceae