York County

Showing 401–450 of 1,545.

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  Corydalis sempervirens (L.) Pers. Native COSE5

  rock harlequin · Fumariaceae
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  Corylus americana Walter Native COAM3

  American hazelnut · Betulaceae
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  Corylus cornuta Marshall Native COCO6

  beaked hazelnut · Betulaceae
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  Corylus cornuta Marshall var. cornuta Native COCOC2

  beaked hazelnut · Betulaceae
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  Crataegus brainerdii Sarg. Native CRBR3

  Brainerd's hawthorn · Rosaceae
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  Crataegus chrysocarpa Ashe Native CRCH

  fireberry hawthorn · Rosaceae
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  Crataegus chrysocarpa Ashe var. chrysocarpa Native CRCHC2

  red haw · Rosaceae
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  Crataegus succulenta Schrad. ex Link Native CRSU5

  fleshy hawthorn · Rosaceae
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  Cuscuta gronovii Willd. ex Schult. Native CUGR

  scaldweed · Cuscutaceae
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  Cuscuta gronovii Willd. ex Schult. var. gronovii Native CUGRG

  scaldweed · Cuscutaceae
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  Cynanchum louiseae Kartesz & Gandhi Introduced CYLO11

  Louise's swallow-wort · Asclepiadaceae
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  Cynoglossum virginianum L. Native CYVI

  wild comfrey · Boraginaceae
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  Cynoglossum virginianum L. var. boreale (Fernald) Cooperr. Native CYVIB

  wild comfrey · Boraginaceae
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  Cyperus bipartitus Torr. Native CYBI6

  slender flatsedge · Cyperaceae
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  Cyperus dentatus Torr. Native CYDE2

  toothed flatsedge · Cyperaceae
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  Cyperus diandrus Torr. Native CYDI3

  umbrella flatsedge · Cyperaceae
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  Cyperus esculentus L. Both CYES

  yellow nutsedge · Cyperaceae
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  Cyperus esculentus L. var. leptostachyus Boeckeler Introduced CYESL

  yellow nutsedge · Cyperaceae
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  Cyperus filicinus Vahl Native CYFI

  fern flatsedge · Cyperaceae
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  Cyperus lupulinus (Spreng.) Marcks Native CYLU2

  Great Plains flatsedge · Cyperaceae
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  Cyperus lupulinus (Spreng.) Marcks ssp. lupulinus Native CYLUL

  Great Plains flatsedge · Cyperaceae
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  Cyperus strigosus L. Native CYST

  strawcolored flatsedge · Cyperaceae
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  Cypripedium acaule Aiton Native CYAC3

  moccasin flower · Orchidaceae
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  Cypripedium parviflorum Salisb. Native CYPA19

  lesser yellow lady's slipper · Orchidaceae
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  Cypripedium parviflorum Salisb. var. pubescens (Willd.) Knight Native CYPAP3

  greater yellow lady's slipper · Orchidaceae
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  Cystopteris fragilis (L.) Bernh. Native CYFR2

  brittle bladderfern · Dryopteridaceae
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  Cytisus scoparius (L.) Link Introduced CYSC4

  Scotch broom · Fabaceae
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  Cytisus scoparius (L.) Link var. scoparius Introduced CYSCS2

  Scotch broom · Fabaceae
• 
  Dactylis glomerata L. Introduced DAGL

  orchardgrass · Poaceae
• 
  Dactylis glomerata L. ssp. glomerata Introduced DAGLG

  orchardgrass · Poaceae
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  Dalibarda repens L. Native DARE

  robin runaway · Rosaceae
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  Danthonia compressa Austin Native DACO

  flattened oatgrass · Poaceae
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  Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. Native DASP2

  poverty oatgrass · Poaceae
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  Daphne mezereum L. Introduced DAME3

  paradise plant · Thymelaeaceae
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  Datura stramonium L. Introduced DAST

  jimsonweed · Solanaceae
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  Daucus carota L. Introduced DACA6

  Queen Anne's lace · Apiaceae
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  Decodon verticillatus (L.) Elliott Native DEVE

  swamp loosestrife · Lythraceae
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  Dennstaedtia punctilobula (Michx.) T. Moore Native DEPU2

  eastern hayscented fern · Dennstaedtiaceae
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  Deparia acrostichoides (Sw.) M. Kato Native DEAC4

  silver false spleenwort · Dryopteridaceae
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  Deschampsia elongata (Hook.) Munro Native DEEL

  slender hairgrass · Poaceae
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  Deschampsia flexuosa (L.) Trin. Native DEFL

  wavy hairgrass · Poaceae
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  Deschampsia flexuosa (L.) Trin. var. flexuosa Native DEFLF

  wavy hairgrass · Poaceae
• 
  Descurainia sophia (L.) Webb ex Prantl Introduced DESO2

  herb sophia · Brassicaceae
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  Desmodium canadense (L.) DC. Native DECA7

  showy ticktrefoil · Fabaceae
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  Desmodium glutinosum (Muhl. ex Willd.) Alph. Wood Native DEGL5

  pointedleaf ticktrefoil · Fabaceae
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  Desmodium nudiflorum (L.) DC. Native DENU4

  nakedflower ticktrefoil · Fabaceae
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  Desmodium paniculatum (L.) DC. Native DEPA6

  panicledleaf ticktrefoil · Fabaceae
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  Desmodium paniculatum (L.) DC. var. paniculatum Native DEPAP2

  panicledleaf ticktrefoil · Fabaceae
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  Desmodium perplexum B.G. Schub. Native DEPE80

  perplexed ticktrefoil · Fabaceae
• 
  Dianthus armeria L. Introduced DIAR

  Deptford pink · Caryophyllaceae