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 301–350 of 2,748 (native).

• 
  Bromus ciliatus L. var. ciliatus Native BRCIC3

  fringed brome · Poaceae 26 counties
• 
  Bromus kalmii A. Gray Native BRKA2

  arctic brome · Poaceae 15 counties
• 
  Bromus latiglumis (Shear) Hitchc. Native BRLA4

  earlyleaf brome · Poaceae 50 counties
• 
  Bromus pubescens Muhl. ex Willd. Native BRPU6

  hairy woodland brome · Poaceae 53 counties
• 
  Buchnera americana L. Native BUAM

  American bluehearts · Scrophulariaceae 4 counties
• 
  Bulbostylis capillaris (L.) Kunth ex C.B. Clarke Native BUCA2

  densetuft hairsedge · Cyperaceae 52 counties
• 
  Bulbostylis capillaris (L.) Kunth ex C.B. Clarke ssp. capillaris Native BUCAC

  densetuft hairsedge · Cyperaceae 52 counties
• 
  Cabomba caroliniana A. Gray Native CACA

  Carolina fanwort · Cabombaceae 5 counties
• 
  Cabomba caroliniana A. Gray var. caroliniana Native CACAC4

  Carolina fanwort · Cabombaceae 5 counties
• 
  Cakile edentula (Bigelow) Hook. Native CAED

  American searocket · Brassicaceae 1 county
• 
  Cakile edentula (Bigelow) Hook. ssp. edentula Native CAEDE

  American searocket · Brassicaceae 1 county
• 
  Cakile edentula (Bigelow) Hook. ssp. edentula var. lacustris Fernald Native CAEDL2

  American searocket · Brassicaceae 1 county
• 
  Calamagrostis canadensis (Michx.) P. Beauv. Native CACA4

  bluejoint · Poaceae 48 counties
• 
  Calamagrostis canadensis (Michx.) P. Beauv. var. canadensis Native CACAC10

  bluejoint · Poaceae 48 counties
• 
  Calamagrostis canadensis (Michx.) P. Beauv. var. macouniana (Vasey) Stebbins Native CACAM

  Macoun's reedgrass · Poaceae 10 counties
• 
  Calamagrostis coarctata Eaton Native CACO71

  Nuttall's reedgrass · Poaceae 33 counties
• 
  Calamagrostis porteri A. Gray Native CAPO3

  Porter's reedgrass · Poaceae 13 counties
• 
  Calamagrostis porteri A. Gray ssp. porteri Native CAPOP

  Porter's reedgrass · Poaceae 12 counties
• 
  Calamovilfa longifolia (Hook.) Scribn. Native CALO

  prairie sandreed · Poaceae 1 county
• 
  Calamovilfa longifolia (Hook.) Scribn. var. magna Scribn. & Merr. Native CALOM

  prairie sandreed · Poaceae 1 county
• 
  Calla palustris L. Native CAPA

  water arum · Araceae 21 counties
• 
  Calliergonella cuspidata (Hedw.) Loeske Native CACU18

  calliergonella moss · Amblystegiaceae 1 county
• 
  Callirhoe involucrata (Torr. & A. Gray) A. Gray Native CAIN2

  purple poppymallow · Malvaceae 1 county
• 
  Callirhoe involucrata (Torr. & A. Gray) A. Gray var. involucrata Native CAINI4

  purple poppymallow · Malvaceae 1 county
• 
  Callitriche heterophylla Pursh Native CAHE3

  twoheaded water-starwort · Callitrichaceae 57 counties
• 
  Callitriche heterophylla Pursh ssp. heterophylla Native CAHEH

  twoheaded water-starwort · Callitrichaceae 57 counties
• 
  Callitriche palustris L. Native CAPA52

  vernal water-starwort · Callitrichaceae 41 counties
• 
  Callitriche terrestris Raf. Native CATE19

  terrestrial water-starwort · Callitrichaceae 17 counties
• 
  Calopogon tuberosus (L.) Britton, Sterns & Poggenb. Native CATU5

  tuberous grasspink · Orchidaceae 34 counties
• 
  Calopogon tuberosus (L.) Britton, Sterns & Poggenb. var. tuberosus Native CATUT

  tuberous grasspink · Orchidaceae 34 counties
• 
  Caltha palustris L. Native CAPA5

  yellow marsh marigold · Ranunculaceae 61 counties
• 
  Caltha palustris L. var. palustris Native CAPAP6

  yellow marsh marigold · Ranunculaceae 61 counties
• 
  Calycanthus floridus L. Native CAFL22

  eastern sweetshrub · Calycanthaceae 10 counties
• 
  Calycanthus floridus L. var. floridus Native CAFLF

  eastern sweetshrub · Calycanthaceae 6 counties
• 
  Calycanthus floridus L. var. glaucus (Willd.) Torr. & A. Gray Native CAFLG

  eastern sweetshrub · Calycanthaceae 6 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
• 
  Campanula aparinoides Pursh Native CAAP2

  marsh bellflower · Campanulaceae 53 counties
• 
  Campanula rotundifolia L. Native CARO2

  bluebell bellflower · Campanulaceae 25 counties
• 
  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
• 
  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