California

• Alameda 06001
  1,856 taxa Open ↗
• Alpine 06003
  1,174 taxa Open ↗
• Amador 06005
  1,226 taxa Open ↗
• Butte 06007
  2,704 taxa Open ↗
• Calaveras 06009
  1,227 taxa Open ↗
• Colusa 06011
  1,330 taxa Open ↗
• Contra Costa 06013
  1,712 taxa Open ↗
• Del Norte 06015
  1,424 taxa Open ↗
• El Dorado 06017
  1,950 taxa Open ↗
• Fresno 06019
  2,373 taxa Open ↗

Showing 1,701–1,750 of 9,954.

• 
  Cardamine flexuosa With. Introduced CAFL14

  woodland bittercress · Brassicaceae 2 counties
• 
  Cardamine hirsuta L. Introduced CAHI3

  hairy bittercress · Brassicaceae 2 counties
• 
  Cardamine nuttallii Greene Native CANU17

  Nuttall's toothwort · Brassicaceae 18 counties
• 
  Cardamine nuttallii Greene var. covilleana (O.E. Schultz) Rollins Native CANUC

  Nuttall's toothwort · Brassicaceae 8 counties
• 
  Cardamine nuttallii Greene var. dissecta (O.E. Schultz) Rollins Native CANUD

  Nuttall's toothwort · Brassicaceae 14 counties
• 
  Cardamine nuttallii Greene var. gemmata (Greene) Rollins Native CANUG

  Nuttall's toothwort · Brassicaceae 1 county
• 
  Cardamine nuttallii Greene var. nuttallii Native CANUN2

  palmate toothwort · Brassicaceae 3 counties
• 
  Cardamine occidentalis (S. Watson ex B.L. Rob.) Howell Native CAOC

  big western bittercress · Brassicaceae 14 counties
• 
  Cardamine oligosperma Nutt. Native CAOL

  little western bittercress · Brassicaceae 35 counties
• 
  Cardamine oligosperma Nutt. var. oligosperma Native CAOLO

  little western bittercress · Brassicaceae 35 counties
• 
  Cardamine pachystigma (S. Watson) Rollins Native CAPA79

  serpentine bittercress · Brassicaceae 11 counties
• 
  Cardamine pachystigma (S. Watson) Rollins var. dissectifolia (Detling) Rollins Native CAPAD2

  serpentine bittercress · Brassicaceae 5 counties
• 
  Cardamine pachystigma (S. Watson) Rollins var. pachystigma Native CAPAP10

  serpentine bittercress · Brassicaceae 10 counties
• 
  Cardamine penduliflora O.E. Schulz Native CAPE2

  Willamette Valley bittercress · Brassicaceae 1 county
• 
  Cardamine pensylvanica Muhl. ex Willd. Native CAPE3

  Pennsylvania bittercress · Brassicaceae 15 counties
• 
  Cardaria chalepensis (L.) Hand.-Maz. Introduced CACH42

  lenspod whitetop · Brassicaceae 42 counties
• 
  Cardaria draba (L.) Desv. Introduced CADR

  whitetop · Brassicaceae 46 counties
• 
  Cardaria pubescens (C.A. Mey.) Jarmolenko Introduced CAPU6

  hairy whitetop · Brassicaceae 41 counties
• 
  Cardionema ramosissimum (Weinm.) A. Nelson & J.F. Macbr. Native CARA3

  sandcarpet · Caryophyllaceae 14 counties
• 
  Carduus acanthoides L. Introduced CAAC

  spiny plumeless thistle · Asteraceae 10 counties
• 
  Carduus nutans L. Introduced CANU4

  nodding plumeless thistle · Asteraceae 14 counties
• 
  Carduus pycnocephalus L. Introduced CAPY2

  Italian plumeless thistle · Asteraceae 48 counties
• 
  Carduus tenuiflorus W. Curtis Introduced CATE2

  winged plumeless thistle · Asteraceae 32 counties
• 
  Carex abrupta Mack. Native CAAB2

  abruptbeak sedge · Cyperaceae 23 counties
• 
  Carex alma L.H. Bailey Native CAAL7

  sturdy sedge · Cyperaceae 10 counties
• 
  Carex amplectens Mack. Native CAAM9

  claspbract sedge · Cyperaceae 7 counties
• 
  Carex amplifolia Boott Native CAAM10

  bigleaf sedge · Cyperaceae 23 counties
• 
  Carex angustata Boott Native CAAN15

  widefruit sedge · Cyperaceae 16 counties
• 
  Carex aquatilis Wahlenb. Native CAAQ

  water sedge · Cyperaceae 21 counties
• 
  Carex aquatilis Wahlenb. var. aquatilis Native CAAQA

  water sedge · Cyperaceae 6 counties
• 
  Carex aquatilis Wahlenb. var. dives (T. Holm) Kük. Native CAAQD

  Sitka sedge · Cyperaceae 7 counties
• 
  Carex arcta Boott Native CAAR2

  northern cluster sedge · Cyperaceae 5 counties
• 
  Carex atherodes Spreng. Native CAAT2

  wheat sedge · Cyperaceae 3 counties
• 
  Carex athrostachya Olney Native CAAT3

  slenderbeak sedge · Cyperaceae 30 counties
• 
  Carex aurea Nutt. Native CAAU3

  golden sedge · Cyperaceae 20 counties
• 
  Carex barbarae Dewey Native CABA4

  Santa Barbara sedge · Cyperaceae 34 counties
• 
  Carex bolanderi Olney Native CABO2

  Bolander's sedge · Cyperaceae 25 counties
• 
  Carex brainerdii Mack. Native CABR7

  Brainerd's sedge · Cyperaceae 18 counties
• 
  Carex brevicaulis Mack. Native CABR8

  shortstem sedge · Cyperaceae 10 counties
• 
  Carex breweri Boott Native CABR12

  Brewer's sedge · Cyperaceae 11 counties
• 
  Carex buxbaumii Wahlenb. Native CABU6

  Buxbaum's sedge · Cyperaceae 11 counties
• 
  Carex californica L.H. Bailey Native CACA9

  California sedge · Cyperaceae 2 counties
• 
  Carex canescens L. Native CACA11

  silvery sedge · Cyperaceae 10 counties
• 
  Carex canescens L. ssp. canescens Native CACAC6

  silvery sedge · Cyperaceae 10 counties
• 
  Carex capitata L. Native CACA13

  capitate sedge · Cyperaceae 14 counties
• 
  Carex capitata L. ssp. arctogena (Harry Sm.) Hiitonen Native CACAA2

  capitate sedge · Cyperaceae 1 county
• 
  Carex cephalophora Muhl. ex Willd. Native CACE

  oval-leaf sedge · Cyperaceae 1 county
• 
  Carex comosa Boott Native CACO8

  longhair sedge · Cyperaceae 10 counties
• 
  Carex concinnoides Mack. Native CACO11

  northwestern sedge · Cyperaceae 4 counties
• 
  Carex congdonii L.H. Bailey Native CACO12

  Congdon's sedge · Cyperaceae 7 counties