Ellis County

Showing 401–450 of 662.

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  Oenothera albicaulis Pursh Native OEAL

  whitest evening primrose · Onagraceae
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  Oenothera brachycarpa A. Gray Native OEBR

  shortfruit evening primrose · Onagraceae
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  Oenothera cinerea (Wooton & Standl.) W.L. Wagner & Hoch Both OECI

  high-plains beeblossom · Onagraceae
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  Oenothera cinerea (Wooton & Standl.) W.L. Wagner & Hoch ssp. cinerea Both OECIC

  high-plains beeblossom · Onagraceae
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  Oenothera curtiflora W.L. Wagner & Hoch Native OECU2

  velvetweed · Onagraceae
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  Oenothera grandis (Britton) Smyth Native OEGR2

  showy evening primrose · Onagraceae
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  Oenothera jamesii Torr. & A. Gray Native OEJA

  trumpet evening primrose · Onagraceae
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  Oenothera macrocarpa Nutt. Native OEMA

  bigfruit evening primrose · Onagraceae
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  Oenothera macrocarpa Nutt. ssp. incana (A. Gray) Wagner Native OEMAI2

  bigfruit evening primrose · Onagraceae
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  Oenothera pallida Lindl. Native OEPA

  pale evening primrose · Onagraceae
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  Oenothera pallida Lindl. ssp. runcinata (Engelm.) Munz & W. Klein Native OEPAR

  pale evening primrose · Onagraceae
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  Oenothera primiveris A. Gray Native OEPR

  desert evening primrose · Onagraceae
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  Oenothera primiveris A. Gray ssp. primiveris Native OEPRP

  desert evening primrose · Onagraceae
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  Oenothera suffrutescens (Ser.) W.L. Wagner & Hoch Native OESU3

  scarlet beeblossom · Onagraceae
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  Oligoneuron rigidum (L.) Small Native OLRI

  stiff goldenrod · Asteraceae
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  Onosmodium bejariense DC. ex A. DC. Native ONBE

  soft-hair marbleseed · Boraginaceae
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  Onosmodium bejariense DC. ex A. DC. var. bejariense Native ONBEB

  soft-hair marbleseed · Boraginaceae
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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 macrocentra Engelm. Native OPMA8

  purple pricklypear · Cactaceae
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  Opuntia phaeacantha Engelm. Native OPPH

  tulip pricklypear · Cactaceae
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  Orobanche fasciculata Nutt. Native ORFA

  clustered broomrape · Orobanchaceae
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  Orobanche ludoviciana Nutt. Native ORLU

  Louisiana broomrape · Orobanchaceae
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  Orobanche ludoviciana Nutt. ssp. multiflora (Nutt.) T.S. Collins ex H.L. White & W.C. Holmes Native ORLUM

  manyflower broomrape · Orobanchaceae
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  Oxytropis lambertii Pursh Native OXLA3

  purple locoweed · Fabaceae
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  Packera obovata (Muhl. ex Willd.) W.A. Weber & Á. Löve Native PAOB6

  roundleaf ragwort · Asteraceae
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  Packera plattensis (Nutt.) W.A. Weber & Á. Löve Native PAPL12

  prairie groundsel · Asteraceae
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  Palafoxia sphacelata (Nutt. ex Torr.) Cory Native PASP

  othake · Asteraceae
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  Panicum anceps Michx. Native PAAN

  beaked panicgrass · Poaceae
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  Panicum capillare L. Native PACA6

  witchgrass · Poaceae
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  Parietaria pensylvanica Muhl. ex Willd. Native PAPE5

  Pennsylvania pellitory · Urticaceae
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  Paronychia jamesii Torr. & A. Gray Native PAJA

  James' nailwort · Caryophyllaceae
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  Paronychia virginica Spreng. Native PAVI4

  yellow nailwort · Caryophyllaceae
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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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  Pediomelum cuspidatum (Pursh) Rydb. Native PECU3

  largebract Indian breadroot · Fabaceae
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  Pediomelum digitatum (Nutt. ex Torr. & A. Gray) Isely Native PEDI9

  palmleaf Indian breadroot · Fabaceae
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  Pediomelum hypogaeum (Nutt. ex Torr. & A. Gray) Rydb. Native PEHY4

  subterranean Indian breadroot · Fabaceae
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  Pediomelum hypogaeum (Nutt. ex Torr. & A. Gray) Rydb. var. hypogaeum Native PEHYH

  subterranean Indian breadroot · Fabaceae
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  Pediomelum linearifolium (Torr. & A. Gray) J. Grimes Native PELI10

  narrowleaf Indian breadroot · Fabaceae
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  Peganum harmala L. Introduced PEHA

  harmal peganum · Zygophyllaceae
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  Penstemon alamosensis Pennell & Nisbet Native PEAL10

  Los Alamos beardtongue · Scrophulariaceae
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  Penstemon albidus Nutt. Native PEAL2

  white penstemon · Scrophulariaceae
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  Penstemon ambiguus Torr. Native PEAM

  gilia beardtongue · Scrophulariaceae
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  Penstemon buckleyi Pennell Native PEBU

  Buckley's beardtongue · Scrophulariaceae
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  Penstemon cobaea Nutt. Native PECO4

  cobaea beardtongue · Scrophulariaceae
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  Penstemon fendleri Torr. & A. Gray Native PEFE

  Fendler's penstemon · Scrophulariaceae
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  Petrophytum caespitosum (Nutt.) Rydb. Native PECA12

  mat rockspirea · Rosaceae
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  Petrophytum caespitosum (Nutt.) Rydb. var. caespitosum Native PECAC2

  mat rockspirea · Rosaceae
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  Phacelia coerulea Greene Native PHCO

  skyblue phacelia · Hydrophyllaceae