Montgomery County

Showing 151–200 of 748.

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  Circaea lutetiana L. ssp. canadensis (L.) Asch. & Magnus Native CILUC

  broadleaf enchanter's nightshade · Onagraceae
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  Cirsium discolor (Muhl. ex Willd.) Spreng. Native CIDI

  field thistle · Asteraceae
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  Cirsium vulgare (Savi) Ten. Introduced CIVU

  bull thistle · Asteraceae
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  Claytonia virginica L. Native CLVI3

  Virginia springbeauty · Portulacaceae
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  Claytonia virginica L. var. virginica Native CLVIV

  Virginia springbeauty · Portulacaceae
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  Claytonia virginica L. var. virginica f. virginica Native CLVIV2

  Virginia springbeauty · Portulacaceae
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  Clematis viorna L. Native CLVI4

  vasevine · Ranunculaceae
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  Clematis virginiana L. Native CLVI5

  devil's darning needles · Ranunculaceae
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  Cleome hassleriana Chod. Introduced CLHA

  pink queen · Capparaceae
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  Clinopodium vulgare L. Native CLVU

  wild basil · Lamiaceae
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  Collinsia verna Nutt. Native COVE2

  spring blue eyed Mary · Scrophulariaceae
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  Commelina communis L. Introduced COCO3

  Asiatic dayflower · Commelinaceae
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  Conium maculatum L. Introduced COMA2

  poison hemlock · Apiaceae
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  Conopholis americana (L.) Wallr. Native COAM

  American cancer-root · Orobanchaceae
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  Consolida ajacis (L.) Schur Introduced COAJ

  doubtful knight's-spur · Ranunculaceae
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  Convolvulus arvensis L. Introduced COAR4

  field bindweed · Convolvulaceae
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  Conyza canadensis (L.) Cronquist Native COCA5

  Canadian horseweed · Asteraceae
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  Conyza canadensis (L.) Cronquist var. canadensis Native COCAC3

  Canadian horseweed · Asteraceae
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  Corallorhiza wisteriana Conrad Native COWI5

  spring coralroot · Orchidaceae
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  Coreopsis tinctoria Nutt. Native COTI3

  golden tickseed · Asteraceae
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  Coreopsis tinctoria Nutt. var. tinctoria Native COTIT

  golden tickseed · Asteraceae
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  Cornus alternifolia L. f. Native COAL2

  alternateleaf dogwood · Cornaceae
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  Cornus amomum Mill. Native COAM2

  silky dogwood · Cornaceae
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  Cornus drummondii C.A. Mey. Native CODR

  roughleaf dogwood · Cornaceae
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  Cornus florida L. Native COFL2

  flowering dogwood · Cornaceae
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  Corydalis flavula (Raf.) DC. Native COFL3

  yellow fumewort · Fumariaceae
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  Corylus americana Walter Native COAM3

  American hazelnut · Betulaceae
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  Crataegus calpodendron (Ehrh.) Medik. Native CRCA

  pear 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 mollis Scheele Native CRMO2

  downy hawthorn · Rosaceae
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  Crataegus phaenopyrum (L. f.) Medik. Native CRPH

  Washington hawthorn · Rosaceae
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  Crataegus punctata Jacq. Native CRPU

  dotted hawthorn · Rosaceae
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  Cryptotaenia canadensis (L.) DC. Native CRCA9

  Canadian honewort · Apiaceae
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  Cuphea viscosissima Jacq. Native CUVI

  blue waxweed · Lythraceae
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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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  Cuscuta pentagona Engelm. Native CUPE3

  fiveangled dodder · Cuscutaceae
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  Cuscuta pentagona Engelm. var. pentagona Native CUPEP2

  fiveangled dodder · Cuscutaceae
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  Cycloloma atriplicifolium (Spreng.) J.M. Coult. Native CYAT

  winged pigweed · Chenopodiaceae
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  Cymbalaria muralis G. Gaertn., B. Mey. & Scherb. Introduced CYMU

  Kenilworth ivy · Scrophulariaceae
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  Cynanchum laeve (Michx.) Pers. Native CYLA

  honeyvine · Asclepiadaceae
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  Cynoglossum officinale L. Introduced CYOF

  gypsyflower · Boraginaceae
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  Cynoglossum virginianum L. Native CYVI

  wild comfrey · Boraginaceae
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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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  Cypripedium candidum Muhl. ex Willd. Native CYCA5

  white lady's slipper · Orchidaceae
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  Cystopteris protrusa (Weath.) Blasdell Native CYPR4

  lowland bladderfern · Dryopteridaceae
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  Danthonia spicata (L.) P. Beauv. ex Roem. & Schult. Native DASP2

  poverty oatgrass · Poaceae
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  Dasiphora fruticosa (L.) Rydb. Native DAFR6

  shrubby cinquefoil · Rosaceae