Washington County

Showing 101–150 of 954.

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  Aureolaria flava (L.) Farw. Native AUFL

  smooth yellow false foxglove · Scrophulariaceae
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  Aureolaria pedicularia (L.) Raf. Native AUPE2

  fernleaf yellow false foxglove · Scrophulariaceae
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  Aureolaria pedicularia (L.) Raf. var. pedicularia Native AUPEP

  fernleaf yellow false foxglove · Scrophulariaceae
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  Aureolaria virginica (L.) Pennell Native AUVI

  downy yellow false foxglove · Scrophulariaceae
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  Barbarea vulgaris W.T. Aiton Introduced BAVU

  garden yellowrocket · Brassicaceae
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  Bartonia virginica (L.) Britton, Sterns & Poggenb. Native BAVI3

  yellow screwstem · Gentianaceae
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  Betula nigra L. Native BENI

  river birch · Betulaceae
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  Bidens tripartita L. Native BITR

  threelobe beggarticks · Asteraceae
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  Bidens vulgata Greene Native BIVU

  big devils beggartick · Asteraceae
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  Blephilia hirsuta (Pursh) Benth. Native BLHI

  hairy pagoda-plant · Lamiaceae
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  Blephilia hirsuta (Pursh) Benth. var. hirsuta Native BLHIH

  hairy pagoda-plant · Lamiaceae
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  Boehmeria cylindrica (L.) Sw. Native BOCY

  smallspike false nettle · Urticaceae
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  Botrychium dissectum Spreng. Native BODI2

  cutleaf grapefern · Ophioglossaceae
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  Brachyelytrum erectum (Schreb. ex Spreng.) P. Beauv. Native BRER2

  bearded shorthusk · Poaceae
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  Brassica napus L. Introduced BRNA

  rape · Brassicaceae
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  Brassica nigra (L.) W.D.J. Koch Introduced BRNI

  black mustard · Brassicaceae
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  Bromus pubescens Muhl. ex Willd. Native BRPU6

  hairy woodland brome · Poaceae
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  Buddleja davidii Franch. Introduced BUDA2

  orange eye butterflybush · Buddlejaceae
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  Buglossoides arvensis (L.) I.M. Johnst. Introduced BUAR3

  corn gromwell · Boraginaceae
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  Bulbostylis capillaris (L.) Kunth ex C.B. Clarke Native BUCA2

  densetuft hairsedge · Cyperaceae
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  Bulbostylis capillaris (L.) Kunth ex C.B. Clarke ssp. capillaris Native BUCAC

  densetuft hairsedge · Cyperaceae
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  Callitriche heterophylla Pursh Native CAHE3

  twoheaded water-starwort · Callitrichaceae
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  Callitriche heterophylla Pursh ssp. heterophylla Native CAHEH

  twoheaded water-starwort · Callitrichaceae
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  Calystegia sepium (L.) R. Br. Both CASE13

  hedge false bindweed · Convolvulaceae
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  Calystegia spithamaea (L.) Pursh Native CASP14

  low false bindweed · Convolvulaceae
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  Calystegia spithamaea (L.) Pursh ssp. spithamaea Native CASPS2

  low false bindweed · Convolvulaceae
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  Campanulastrum americanum (L.) Small Native CAAM18

  American bellflower · Campanulaceae
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  Campsis radicans (L.) Seem. ex Bureau Native CARA2

  trumpet creeper · Bignoniaceae
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  Capsella bursa-pastoris (L.) Medik. Introduced CABU2

  shepherd's purse · Brassicaceae
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  Cardamine angustata O.E. Schulz Native CAAN11

  slender toothwort · Brassicaceae
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  Cardamine bulbosa (Schreb. ex Muhl.) Britton, Sterns & Poggenb. Native CABU3

  bulbous bittercress · Brassicaceae
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  Cardamine concatenata (Michx.) Sw. Native CACO26

  cutleaf toothwort · Brassicaceae
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  Cardamine diphylla (Michx.) Alph. Wood Native CADI10

  crinkleroot · Brassicaceae
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  Cardamine dissecta (Leavenworth) Al-Shehbaz Native CADI28

  forkleaf toothwort · Brassicaceae
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  Cardamine douglassii Britton Native CADO

  limestone bittercress · Brassicaceae
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  Cardamine hirsuta L. Introduced CAHI3

  hairy bittercress · Brassicaceae
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  Cardamine pensylvanica Muhl. ex Willd. Native CAPE3

  Pennsylvania bittercress · Brassicaceae
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  Carex albicans Willd. ex Spreng. Native CAAL25

  whitetinge sedge · Cyperaceae
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  Carex albicans Willd. ex Spreng. var. albicans Native CAALA

  whitetinge sedge · Cyperaceae
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  Carex glaucodea Tuck. ex Olney Native CAGL6

  blue sedge · Cyperaceae
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  Carpinus caroliniana Walter Native CACA18

  American hornbeam · Betulaceae
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  Carpinus caroliniana Walter ssp. virginiana (Marshall) Furlow Native CACAV

  American hornbeam · Betulaceae
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  Carya cordiformis (Wangenh.) K. Koch Native CACO15

  bitternut hickory · Juglandaceae
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  Carya laciniosa (Michx. f.) G. Don Native CALA21

  shellbark hickory · Juglandaceae
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  Carya ovalis (Wangenh.) Sarg. Native CAOV3

  red hickory · Juglandaceae
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  Carya ovata (Mill.) K. Koch Native CAOV2

  shagbark hickory · Juglandaceae
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  Carya tomentosa (Lam.) Nutt. Native CATO6

  mockernut hickory · Juglandaceae
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  Castanea dentata (Marshall) Borkh. Native CADE12

  American chestnut · Fagaceae
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  Catalpa speciosa (Warder) Warder ex Engelm. Native CASP8

  northern catalpa · Bignoniaceae
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  Caulophyllum thalictroides (L.) Michx. Native CATH2

  blue cohosh · Berberidaceae