Pennsylvania

• Adams 42001
  1,101 taxa Open ↗
• Allegheny 42003
  1,943 taxa Open ↗
• Armstrong 42005
  1,126 taxa Open ↗
• Beaver 42007
  1,402 taxa Open ↗
• Bedford 42009
  1,989 taxa Open ↗
• Berks 42011
  2,115 taxa Open ↗
• Blair 42013
  1,613 taxa Open ↗
• Bradford 42015
  1,111 taxa Open ↗
• Bucks 42017
  2,298 taxa Open ↗
• Butler 42019
  1,422 taxa Open ↗

Showing 501–550 of 3,901.

• 
  Calystegia hederacea Wall. Introduced CAHE21

  Japanese false bindweed · Convolvulaceae 22 counties
• 
  Calystegia sepium (L.) R. Br. Both CASE13

  hedge false bindweed · Convolvulaceae 67 counties
• 
  Calystegia sepium (L.) R. Br. ssp. sepium Introduced CASES

  hedge false bindweed · Convolvulaceae 1 county
• 
  Calystegia silvatica (Kit.) Griseb. Both CASI10

  shortstalk false bindweed · Convolvulaceae 15 counties
• 
  Calystegia silvatica (Kit.) Griseb. ssp. fraterniflora (Mack. & Bush) Brummitt Native CASIF

  shortstalk false bindweed · Convolvulaceae 15 counties
• 
  Calystegia spithamaea (L.) Pursh Native CASP14

  low false bindweed · Convolvulaceae 50 counties
• 
  Calystegia spithamaea (L.) Pursh ssp. purshiana (Wherry) Brummitt Native CASPP

  low false bindweed · Convolvulaceae 12 counties
• 
  Calystegia spithamaea (L.) Pursh ssp. spithamaea Native CASPS2

  low false bindweed · Convolvulaceae 48 counties
• 
  Calystegia spithamaea (L.) Pursh ssp. stans (Michx.) Brummitt Native CASPS

  low false bindweed · Convolvulaceae 5 counties
• 
  Camassia scilloides (Raf.) Cory Native CASC5

  Atlantic camas · Liliaceae 3 counties
• 
  Camelina microcarpa Andrz. ex DC. Introduced CAMI2

  littlepod false flax · Brassicaceae 32 counties
• 
  Camelina sativa (L.) Crantz Introduced CASA2

  false flax · Brassicaceae 9 counties
• 
  Camelina sativa (L.) Crantz ssp. sativa Introduced CASAS2

  gold-of-pleasure · Brassicaceae 9 counties
• 
  Campanula aparinoides Pursh Native CAAP2

  marsh bellflower · Campanulaceae 53 counties
• 
  Campanula glomerata L. Introduced CAGL2

  Dane's blood · Campanulaceae 2 counties
• 
  Campanula latifolia L. Introduced CALA40

  giant bellflower · Campanulaceae 2 counties
• 
  Campanula persicifolia L. Introduced CAPE20

  peachleaf bellflower · Campanulaceae 1 county
• 
  Campanula rapunculoides L. Introduced CARA

  rampion bellflower · Campanulaceae 37 counties
• 
  Campanula rotundifolia L. Native CARO2

  bluebell bellflower · Campanulaceae 25 counties
• 
  Campanula trachelium L. Introduced CATR4

  bats in the belfry · Campanulaceae 1 county
• 
  Campanulastrum americanum (L.) Small Native CAAM18

  American bellflower · Campanulaceae 47 counties
• 
  Campsis radicans (L.) Seem. ex Bureau Native CARA2

  trumpet creeper · Bignoniaceae 26 counties
• 
  Campylium chrysophyllum (Brid.) J. Lange Native CACH31

  goldenleaf campylium moss · Amblystegiaceae 1 county
• ⚘
  Canna ×generalis L.H. Bailey (pro sp.) [glauca × indica] Introduced CAGE3

  canna lily · Cannaceae 5 counties
• 
  Cannabis sativa L. Introduced CASA3

  marijuana · Cannabaceae 17 counties
• 
  Cannabis sativa L. ssp. sativa Introduced CASAS3

  marijuana · Cannabaceae 17 counties
• 
  Cannabis sativa L. ssp. sativa var. sativa Introduced CASAS9

  marijuana · Cannabaceae 17 counties
• 
  Capsella bursa-pastoris (L.) Medik. Introduced CABU2

  shepherd's purse · Brassicaceae 60 counties
• 
  Capsicum annuum L. Both CAAN4

  cayenne pepper · Solanaceae 6 counties
• 
  Cardamine angustata O.E. Schulz Native CAAN11

  slender toothwort · Brassicaceae 24 counties
• 
  Cardamine bulbosa (Schreb. ex Muhl.) Britton, Sterns & Poggenb. Native CABU3

  bulbous bittercress · Brassicaceae 54 counties
• 
  Cardamine concatenata (Michx.) Sw. Native CACO26

  cutleaf toothwort · Brassicaceae 54 counties
• 
  Cardamine diphylla (Michx.) Alph. Wood Native CADI10

  crinkleroot · Brassicaceae 46 counties
• 
  Cardamine douglassii Britton Native CADO

  limestone bittercress · Brassicaceae 19 counties
• 
  Cardamine flexuosa With. Introduced CAFL14

  woodland bittercress · Brassicaceae 4 counties
• 
  Cardamine hirsuta L. Introduced CAHI3

  hairy bittercress · Brassicaceae 26 counties
• 
  Cardamine impatiens L. Introduced CAIM

  narrowleaf bittercress · Brassicaceae 11 counties
• 
  Cardamine maxima (Nutt.) Alph. Wood Native CAMA36

  large toothwort · Brassicaceae 4 counties
• 
  Cardamine parviflora L. Native CAPA12

  sand bittercress · Brassicaceae 33 counties
• 
  Cardamine parviflora L. var. arenicola (Britton) O.E. Schulz Native CAPAA2

  sand bittercress · Brassicaceae 33 counties
• 
  Cardamine pensylvanica Muhl. ex Willd. Native CAPE3

  Pennsylvania bittercress · Brassicaceae 67 counties
• 
  Cardamine pratensis L. Native CAPR3

  cuckoo flower · Brassicaceae 16 counties
• 
  Cardamine pratensis L. var. pratensis Native CAPRP

  cuckoo flower · Brassicaceae 16 counties
• 
  Cardamine rotundifolia Michx. Native CARO3

  American bittercress · Brassicaceae 44 counties
• 
  Cardaria draba (L.) Desv. Introduced CADR

  whitetop · Brassicaceae 10 counties
• 
  Cardaria pubescens (C.A. Mey.) Jarmolenko Introduced CAPU6

  hairy whitetop · Brassicaceae 1 county
• 
  Cardiospermum halicacabum L. Introduced CAHA13

  balloon vine · Sapindaceae 4 counties
• 
  Carduus acanthoides L. Introduced CAAC

  spiny plumeless thistle · Asteraceae 17 counties
• 
  Carduus crispus L. Introduced CACR2

  curly plumeless thistle · Asteraceae 1 county
• 
  Carduus nutans L. Introduced CANU4

  nodding plumeless thistle · Asteraceae 19 counties