Westmoreland County

Showing 401–450 of 1,259 (native).

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  Doellingeria umbellata (Mill.) Nees var. umbellata Native DOUMU

  parasol whitetop · Asteraceae
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  Dracocephalum parviflorum Nutt. Native DRPA2

  American dragonhead · Lamiaceae
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  Drosera rotundifolia L. Native DRRO

  roundleaf sundew · Droseraceae
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  Drosera rotundifolia L. var. rotundifolia Native DRROR

  roundleaf sundew · Droseraceae
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  Dryopteris carthusiana (Vill.) H.P. Fuchs Native DRCA11

  spinulose woodfern · Dryopteridaceae
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  Dryopteris cristata (L.) A. Gray Native DRCR4

  crested woodfern · Dryopteridaceae
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  Dryopteris goldieana (Hook. ex Goldie) A. Gray Native DRGO3

  Goldie's woodfern · Dryopteridaceae
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  Dryopteris intermedia (Muhl. ex Willd.) A. Gray Native DRIN5

  intermediate woodfern · Dryopteridaceae
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  Dryopteris marginalis (L.) A. Gray Native DRMA4

  marginal woodfern · Dryopteridaceae
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  Dryopteris ×boottii (Tuck.) Underw. (pro sp.) [cristata × intermedia] Native DRBO2

  woodfern · Dryopteridaceae
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  Dryopteris ×triploidea Wherry [carthusiana × intermedia] Native DRTR

  woodfern · Dryopteridaceae
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  Dulichium arundinaceum (L.) Britton Native DUAR3

  three-way sedge · Cyperaceae
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  Dulichium arundinaceum (L.) Britton var. arundinaceum Native DUARA

  three-way sedge · Cyperaceae
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  Echinochloa muricata (P. Beauv.) Fernald Native ECMU2

  rough barnyardgrass · Poaceae
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  Echinocystis lobata (Michx.) Torr. & A. Gray Native ECLO

  wild cucumber · Cucurbitaceae
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  Eleocharis acicularis (L.) Roem. & Schult. Native ELAC

  needle spikerush · Cyperaceae
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  Eleocharis acicularis (L.) Roem. & Schult. var. acicularis Native ELACA

  needle spikerush · Cyperaceae
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  Eleocharis erythropoda Steud. Native ELER

  bald spikerush · Cyperaceae
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  Eleocharis obtusa (Willd.) Schult. Native ELOB2

  blunt spikerush · Cyperaceae
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  Eleocharis tenuis (Willd.) Schult. Native ELTE

  slender spikerush · Cyperaceae
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  Eleocharis tenuis (Willd.) Schult. var. tenuis Native ELTET

  slender spikerush · Cyperaceae
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  Elodea nuttallii (Planch.) H. St. John Native ELNU2

  western waterweed · Hydrocharitaceae
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  Elymus canadensis L. Native ELCA4

  Canada wildrye · Poaceae
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  Elymus hystrix L. Native ELHY

  eastern bottlebrush grass · Poaceae
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  Elymus riparius Wiegand Native ELRI

  riverbank wildrye · Poaceae
• 
  Elymus virginicus L. Native ELVI3

  Virginia wildrye · Poaceae
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  Epifagus virginiana (L.) W.P.C. Barton Native EPVI2

  beechdrops · Orobanchaceae
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  Epigaea repens L. Native EPRE2

  trailing arbutus · Ericaceae
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  Epilobium ciliatum Raf. Native EPCI

  fringed willowherb · Onagraceae
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  Epilobium ciliatum Raf. ssp. ciliatum Native EPCIC

  fringed willowherb · Onagraceae
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  Epilobium coloratum Biehler Native EPCO

  purpleleaf willowherb · Onagraceae
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  Equisetum arvense L. Native EQAR

  field horsetail · Equisetaceae
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  Equisetum fluviatile L. Native EQFL

  water horsetail · Equisetaceae
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  Equisetum hyemale L. Native EQHY

  scouringrush horsetail · Equisetaceae
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  Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton Native EQHYA

  scouringrush horsetail · Equisetaceae
• ⚘
  Equisetum ×ferrissii Clute (pro sp.) [hyemale × laevigatum] Native EQFE

  Equisetaceae
• ⚘
  Equisetum ×litorale Kühlewein ex Rupr. (pro sp.) [arvense × fluviatile] Native EQLI

  horsetail · Equisetaceae
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  Eragrostis frankii C.A. Mey. ex Steud. Native ERFR

  sandbar lovegrass · Poaceae
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  Eragrostis hypnoides (Lam.) Britton, Sterns & Poggenb. Native ERHY

  teal lovegrass · Poaceae
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  Eragrostis pectinacea (Michx.) Nees ex Steud. Native ERPE

  tufted lovegrass · Poaceae
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  Eragrostis pectinacea (Michx.) Nees ex Steud. var. pectinacea Native ERPEP2

  tufted lovegrass · Poaceae
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  Erechtites hieraciifolius (L.) Raf. ex DC. Native ERHI12

  American burnweed · Asteraceae
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  Erechtites hieraciifolius (L.) Raf. ex DC. var. hieraciifolius Native ERHIH2

  American burnweed · Asteraceae
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  Erigenia bulbosa (Michx.) Nutt. Native ERBU

  harbinger of spring · Apiaceae
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  Erigeron annuus (L.) Pers. Native ERAN

  eastern daisy fleabane · Asteraceae
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  Erigeron philadelphicus L. Native ERPH

  Philadelphia fleabane · Asteraceae
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  Erigeron philadelphicus L. var. philadelphicus Native ERPHP

  Philadelphia fleabane · Asteraceae
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  Erigeron pulchellus Michx. Native ERPU

  robin's plantain · Asteraceae
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  Erigeron pulchellus Michx. var. pulchellus Native ERPUP

  robin's plantain · Asteraceae
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  Erigeron strigosus Muhl. ex Willd. Native ERST3

  prairie fleabane · Asteraceae