Yuma County

Showing 501–550 of 719.

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  Oenothera caespitosa Nutt. ssp. marginata (Nutt. ex Hook. & Arn.) Munz Native OECAM4

  tufted evening primrose · Onagraceae
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  Oenothera curtiflora W.L. Wagner & Hoch Native OECU2

  velvetweed · Onagraceae
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  Oenothera deltoides Torr. & Frém. Native OEDE2

  birdcage evening primrose · Onagraceae
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  Oenothera deltoides Torr. & Frém. ssp. deltoides Native OEDED4

  birdcage 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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  Oligomeris linifolia (Vahl) J.F. Macbr. Native OLLI

  lineleaf whitepuff · Resedaceae
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  Olneya tesota A. Gray Native OLTE

  desert ironwood · Fabaceae
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  Opuntia basilaris Engelm. & J.M. Bigelow Native OPBA2

  beavertail pricklypear · Cactaceae
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  Opuntia basilaris Engelm. & J.M. Bigelow var. basilaris Native OPBAB2

  beavertail pricklypear · 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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  Opuntia ×vaseyi (J.M. Coult.) Britton & Rose [littoralis × phaeacantha] Native OPVA4

  Vasey's coastal pricklypear · Cactaceae
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  Orobanche cooperi (A. Gray) A. Heller Native ORCO4

  desert broomrape · Orobanchaceae
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  Oxalis albicans Kunth Native OXAL

  radishroot woodsorrel · Oxalidaceae
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  Oxalis albicans Kunth ssp. albicans Native OXALA

  radishroot woodsorrel · Oxalidaceae
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  Oxalis albicans Kunth ssp. pilosa (Nutt.) Eiten Native OXALP

  radishroot woodsorrel · Oxalidaceae
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  Pachycereus schottii (Engelm.) D.R. Hunt Native PASC14

  senita cactus · Cactaceae
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  Palafoxia arida B.L. Turner & Morris Native PAAR8

  desert palafox · Asteraceae
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  Palafoxia arida B.L. Turner & Morris var. gigantea (M.E. Jones) B.L. Turner & Morris Native PAARG

  giant Spanish needle · Asteraceae
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  Panicum capillare L. Native PACA6

  witchgrass · Poaceae
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  Panicum hirticaule J. Presl Native PAHI5

  Mexican panicgrass · Poaceae
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  Panicum hirticaule J. Presl var. hirticaule Native PAHIH

  Mexican panicgrass · Poaceae
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  Panicum urvilleanum Kunth Native PAUR

  desert panicgrass · Poaceae
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  Parietaria hespera Hinton Native PAHE5

  rillita pellitory · Urticaceae
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  Parietaria hespera Hinton var. hespera Native PAHEH

  rillita pellitory · Urticaceae
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  Parkinsonia aculeata L. Native PAAC3

  Jerusalem thorn · Fabaceae
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  Parkinsonia florida (Benth. ex A. Gray) S. Watson Native PAFL6

  blue paloverde · Fabaceae
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  Parkinsonia microphylla Torr. Native PAMI5

  yellow paloverde · Fabaceae
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  Paspalum distichum L. Native PADI6

  knotgrass · Poaceae
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  Pectis papposa Harv. & A. Gray Native PEPA2

  manybristle chinchweed · Asteraceae
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  Pectis papposa Harv. & A. Gray var. papposa Native PEPAP3

  manybristle chinchweed · Asteraceae
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  Pectocarya heterocarpa (I.M. Johnst.) I.M. Johnst. Native PEHE

  chuckwalla combseed · Boraginaceae
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  Pectocarya platycarpa (Munz & I.M. Johnst.) Munz & I.M. Johnst. Native PEPL

  broadfruit combseed · Boraginaceae
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  Pellaea truncata Goodding Native PETR3

  spiny cliffbrake · Pteridaceae
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  Peniocereus greggii (Engelm.) Britton & Rose Native PEGR3

  nightblooming cereus · Cactaceae
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  Peniocereus greggii (Engelm.) Britton & Rose var. transmontanus (Engelm.) Backeb. Native PEGRT

  nightblooming cereus · Cactaceae
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  Pennisetum ciliare (L.) Link Introduced PECI

  buffelgrass · Poaceae
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  Pennisetum glaucum (L.) R. Br. Introduced PEGL2

  pearl millet · Poaceae
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  Penstemon pseudospectabilis M.E. Jones Native PEPS

  desert penstemon · Scrophulariaceae
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  Penstemon pseudospectabilis M.E. Jones ssp. pseudospectabilis Native PEPSP

  desert beardtongue · Scrophulariaceae
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  Penstemon subulatus M.E. Jones Native PESU7

  hackberry beardtongue · Scrophulariaceae
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  Perityle emoryi Torr. Native PEEM

  Emory's rockdaisy · Asteraceae
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  Petalonyx linearis Greene Native PELI5

  narrowleaf sandpaper plant · Loasaceae
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  Petalonyx thurberi A. Gray Native PETH4

  Thurber's sandpaper plant · Loasaceae
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  Petalonyx thurberi A. Gray ssp. thurberi Native PETHT

  Thurber's sandpaper plant · Loasaceae
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  Peucephyllum schottii A. Gray Native PESC4

  Schott's pygmycedar · Asteraceae
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  Phacelia coerulea Greene Native PHCO

  skyblue phacelia · Hydrophyllaceae
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  Phacelia crenulata Torr. ex S. Watson Native PHCR

  cleftleaf wildheliotrope · Hydrophyllaceae
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  Phacelia crenulata Torr. ex S. Watson var. ambigua (M.E. Jones) J.F. Macbr. Native PHCRA2

  purplestem phacelia · Hydrophyllaceae