Key =   Tropical ( Tr ) Terrestrial ( Ter ) Sub-tropical ( S ) One leaf form ( L1 )
   Two leaf form ( L2 ) Winter dormancy bud ( Wb ) Mexico ( M ) Cuba ( C )
   Russia ( R ) North America ( N-A ) Epiphytic ( E )

  Pinguicula acuminata {Benth.}( Tr )( L2 )( M )( Wb )
  Pinguicula agnata {Casper}( Tr )( L1 )( M )
  Pinguicula albida {Wright ex Griseb.}( Tr )( L1 )( C )
  Pinguicula algida {Malyschev}( Ter )( Wb )( L1 )( R )
  Pinguicula alpina {L.}( Ter )( Wb )( L1 )
  Pinguicula antarctica {Vahl}( Tr )( L1 )(Chile, Argentina, Peru )

  Pinguicula balcanica {Casper}( Ter )( L2 )( Wb )( Bulgaria, Yugoslavia, Albania, Greece )
  Pinguicula balcanica {Casper} subsp.pontica {Casper}
  Pinguicula balcanica {Casper} var.tenuilaciniata {Casper}
  Pinguicula benedicta {Barnh.}( Tr )( L1 )( C )

  Pinguicula caerulea {Walt.}( S )( L1 )( N-A )
  Pinguicula calderoniae {Zamudio Ruiz}( M )( L2 )
  Pinguicula calyptrata {H.B.K.}( Tr )( L1 )( Columbia & Ecuador )
  Pinguicula casabitoana {Jimenez}( Tr )( L1 )( C )
  Pinguicula chilensis {Clos}( Tr )( L1 )( Chile & Argentina )
  Pinguicula clivorum {Standl. & Steyerm.}( M )
  Pinguicula colimensis {McVaugh & Mickel}( Tr )( L2 )( M )
  Pinguicula corsica {Bern. & Gren. ex Gren. & Godr.}( Ter )( L1 )( Wb )
  Pinguicula crassifolia {Zamudio Ruiz}( Tr )( L2 )
  Pinguicula crenatiloba {A.DC.}( Tr )( L1 )( M )( Guatemala, Honduras, El Salvador & Panama )
  Pinguicula crystallina {Sibth. ex Sibth. & Smith}( Tr )( L1 )( Cypress )
  Pinguicula crystallina {Sibth. ex Sibth. & Smith} subsp.hirtiflora {(Ten.) Strid}
  Pinguicula cyclosecta {Casper}( Tr )( L2 )( M )

  Pinguicula debbertiana {Speta & Fuchs}( Tr )( L2 )( M )

  Pinguicula ehlersiae {Speta & Fuchs}( Tr )( L2 )( M )
  Pinguicula elizabethiae {Zamudio Ruiz}( M )
  Pinguicula elongata {Benj.}( Tr )( L2 )( Venezuela & Colombia )
  Pinguicula emarginata {Zamudio Ruiz & Rzedowski}( Tr )( L1 )( L2 )( M )
  Pinguicula esseriana {B.Kirchner}( Tr )( L2 )( M )

  Pinguicula filifolia {Wright ex Griseb.}( Tr )( L1 )( C )

  Pinguicula gigantea {Luhrs}( M )
  Pinguicula gracilis {Zamudio Ruiz}( Tr )( L2 )( M )
  Pinguicula grandiflora {Lam.}( Ter )( Wb )( L1 )
  Pinguicula grandiflora {Lam.} subsp.rosea {(Mutel) Casper}
  Pinguicula greenwoodii {Cheek}( Tr )( M )
  Pinguicula gypsicola {Brandeg.}( Tr )( L2 )( M )

  Pinguicula hemiepiphytica {Zamudio Ruiz & Rzedowski}( Tr )( L2 )( M )
  Pinguicula heterophylla {Benth.}( Tr )( L2 )( M )

  Pinguicula imitatrix {Casper}( Tr )( L2 )( M )
  Pinguicula immaculata {Zamudio Ruiz & Lux}( Tr )( L2 )( M )
  Pinguicula involuta {Ruiz & Pav.}( Tr )( L1 )( Bolivia, Peru )
  Pinguicula ionantha {Godfr.}( S )( L1 )( N-A )

  Pinguicula jackii {Barnh.}( Tr )( L1 )( C )
  Pinguicula jaumavensis {Debbert}( Tr )( L2 )( M )

  Pinguicula kondoi {Casper}( Tr )( L2 )( M )

  Pinguicula laueana {Speta & Fuchs}( Tr )( L2 )( M )
  Pinguicula laxifolia {Luhrs}( Tr )
  Pinguicula leptoceras {Rchb.}( Ter )( Wb )( L1 )( Switzerland, Austria , Italy ,France )
  Pinguicula lignicola {Barnh.}( Tr )( L1 )( C )
  Pinguicula lilacina {Schlecht. & Cham.}( Tr )( L1 )( M )
  Pinguicula longifolia {Ram. ex DC.}( Tr )( L2 )( Spain, France, Italy )
  Pinguicula longifolia {Ram. ex DC.} subsp.caussensis {Casper}
  Pinguicula longifolia {Ram. ex DC.} subsp.dertosensis {(Canigueral) Schlauer}
  Pinguicula longifolia {Ram. ex DC.} subsp.reichenbachiana {(Schindler) Casper}
  Pinguicula lusitanica {L.}( Tr )( L1 )( Portugal, France, Grande-Bretagne, North Africa , Spain )
  Pinguicula lutea {Walt.}( S )( L1 )( N-A )

  Pinguicula macroceras {Link}( Ter )( Wb )( L1 )( Japan, Russia, Northwest America )
  Pinguicula macroceras {Link} subsp.nortensis {J.Steiger ex J.Steiger & H.Rondeau}
  Pinguicula macrophylla {H.B.K.}( Tr )( Wb )( L2 )( M )
  Pinguicula mesophytica {Zamudio Ruiz}( E )( El Salvador, Guatemala, Honduras )
  Pinguicula mirandae {Zamudio Ruiz & Salinas}( Tr )( L2 )( M )
  Pinguicula moctezumae {Zamudio Ruiz & R.Z.Ortega}( Tr )( M )
  Pinguicula moranensis {H.B.K.}( Tr )( L2 )( M )( Guatemala, El Salvador )
  Pinguicula mundi {Blanca, Jamilena, Ruiz-Rejon & Zamora}( Wb )( Spain )

  Pinguicula nevadensis {(Lindbg.) Casper}( Ter )( Wb )( L1 )( Spain )

  Pinguicula oblongiloba {A.DC.}( Tr )( Wb )( L2 )( M )
  Pinguicula orchidioides {A.DC.}( Tr )( M )

  Pinguicula parvifolia {Robinson}( Tr )( Wb )( L2 )( M )
  Pinguicula planifolia {Chapm.}( S )( L1 )( N-A )
  Pinguicula poldinii {Steiger & Casper}( Wb )( Central Europe )
  Pinguicula primuliflora {Wood & Godfr.}( S )( L1 )( N-A )
  Pinguicula pumila {Michx.}( S )( L1 )( N-A )( Bahamas )

  Pinguicula ramosa {Miyoshi ex Yatabe}( Ter )( Wb )( L1 )( Japan )
  Pinguicula rectifolia {Speta & Fuchs}( Tr )( L2 )
  Pinguicula reticulata {Fuchs ex Schlauer}( Tr )( L2 )( M )
  Pinguicula rotundiflora {Studnicka}( Tr )( L2 )( M )

  Pinguicula sharpii {Casper & Kondo}( Tr )( L1 )( M )

  Pinguicula takakii {Zamudio Ruiz & Rzedowski}( Tr )( L1 )

  Pinguicula utricularioides {Zamudio Ruiz & Rzedowski}( Tr )( L2 )

  Pinguicula vallisneriifolia {Webb}( Tr )( L2 )( Spain )
  Pinguicula variegata {Turcz.}( Ter )( Wb )( L1 )( Siberia )
  Pinguicula villosa {L.}( Ter )( Wb )( L1 )( Alaska, Canada, Sweden, Norway, Finland, Russia )
  Pinguicula vulgaris {L.}( Ter )( Wb )( L1 )( Europe, Siberia )( N-A )

  Pinguicula zecheri {Speta & Fuchs}( Tr )( L2 )( M )