Montgomery County

Showing 101–150 of 341.

• 
  Carpinus caroliniana Walter ssp. virginiana (Marshall) Furlow Native CACAV

  American hornbeam · Betulaceae
• 
  Carya ovata (Mill.) K. Koch Native CAOV2

  shagbark hickory · Juglandaceae
• 
  Ceanothus americanus L. Native CEAM

  New Jersey tea · Rhamnaceae
• 
  Celastrus scandens L. Native CESC

  American bittersweet · Celastraceae
• 
  Celtis occidentalis L. Native CEOC

  common hackberry · Ulmaceae
• 
  Cenchrus longispinus (Hack.) Fernald Native CELO3

  mat sandbur · Poaceae
• 
  Chamaelirium luteum (L.) A. Gray Native CHLU

  fairywand · Liliaceae
• 
  Chamaesyce maculata (L.) Small Native CHMA15

  spotted sandmat · Euphorbiaceae
• 
  Chamaesyce vermiculata (Raf.) House Native CHVE5

  wormseed sandmat · Euphorbiaceae
• 
  Chenopodium album L. Both CHAL7

  lambsquarters · Chenopodiaceae
• 
  Chenopodium album L. var. album Introduced CHALA

  lambsquarters · Chenopodiaceae
• 
  Chrysosplenium americanum Schwein. ex Hook. Native CHAM2

  American golden saxifrage · Saxifragaceae
• 
  Cirsium altissimum (L.) Hill Native CIAL2

  tall thistle · Asteraceae
• 
  Clinopodium vulgare L. Native CLVU

  wild basil · Lamiaceae
• 
  Comptonia peregrina (L.) J.M. Coult. Native COPE80

  sweet fern · Myricaceae
• 
  Corallorhiza maculata (Raf.) Raf. Native COMA25

  summer coralroot · Orchidaceae
• 
  Cornus racemosa Lam. Native CORA6

  gray dogwood · Cornaceae
• 
  Cryptogramma stelleri (S.G. Gmel.) Prantl Native CRST2

  fragile rockbrake · Pteridaceae
• 
  Cryptotaenia canadensis (L.) DC. Native CRCA9

  Canadian honewort · Apiaceae
• 
  Cyperus esculentus L. Both CYES

  yellow nutsedge · Cyperaceae
• 
  Cypripedium arietinum W.T. Aiton Native CYAR5

  ram's head lady's slipper · Orchidaceae
• 
  Cystopteris bulbifera (L.) Bernh. Native CYBU3

  bulblet bladderfern · Dryopteridaceae
• 
  Cystopteris fragilis (L.) Bernh. Native CYFR2

  brittle bladderfern · Dryopteridaceae
• 
  Cystopteris tenuis (Michx.) Desv. Native CYTE7

  upland brittle bladderfern · Dryopteridaceae
• 
  Dactylis glomerata L. Introduced DAGL

  orchardgrass · Poaceae
• 
  Dennstaedtia punctilobula (Michx.) T. Moore Native DEPU2

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

  silver false spleenwort · Dryopteridaceae
• 
  Desmodium canescens (L.) DC. Native DECA8

  hoary ticktrefoil · Fabaceae
• 
  Dichanthelium acuminatum (Sw.) Gould & C.A. Clark Native DIAC2

  tapered rosette grass · Poaceae
• 
  Dichanthelium acuminatum (Sw.) Gould & C.A. Clark var. acuminatum Native DIACA

  tapered rosette grass · Poaceae
• 
  Dichanthelium linearifolium (Scribn. ex Nash) Gould Native DILI2

  slimleaf panicgrass · Poaceae
• 
  Dichanthelium oligosanthes (Schult.) Gould Native DIOL

  Heller's rosette grass · Poaceae
• 
  Dichanthelium oligosanthes (Schult.) Gould var. scribnerianum (Nash) Gould Native DIOLS

  Scribner's rosette grass · Poaceae
• 
  Digitaria ischaemum (Schreb.) Schreb. ex Muhl. Introduced DIIS

  smooth crabgrass · Poaceae
• 
  Diplazium pycnocarpon (Spreng.) Broun Native DIPY

  glade fern · Dryopteridaceae
• 
  Dryopteris carthusiana (Vill.) H.P. Fuchs Native DRCA11

  spinulose woodfern · Dryopteridaceae
• 
  Dryopteris clintoniana (D.C. Eaton) Dowell Native DRCL

  Clinton's woodfern · Dryopteridaceae
• 
  Dryopteris cristata (L.) A. Gray Native DRCR4

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

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

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

  marginal woodfern · Dryopteridaceae
• 
  Echinochloa muricata (P. Beauv.) Fernald Native ECMU2

  rough barnyardgrass · Poaceae
• 
  Echinochloa muricata (P. Beauv.) Fernald var. microstachya Wiegand Native ECMUM

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

  wild cucumber · Cucurbitaceae
• 
  Echium vulgare L. Introduced ECVU

  common viper's bugloss · Boraginaceae
• 
  Eleocharis erythropoda Steud. Native ELER

  bald spikerush · Cyperaceae
• 
  Elymus hystrix L. Native ELHY

  eastern bottlebrush grass · Poaceae
• 
  Elymus hystrix L. var. bigeloviana (Fernald) Bowden Native ELHYB

  eastern bottlebrush grass · Poaceae
• 
  Elymus hystrix L. var. hystrix Native ELHYH

  eastern bottlebrush grass · Poaceae
• 
  Elymus riparius Wiegand Native ELRI

  riverbank wildrye · Poaceae