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  Plantae
    Viridiplantae
     Streptophyta
     Embryophyta
      Tracheophyta
        Spermatophytina
            Magnoliopsida
                  Saxifraganae
                    Saxifragales
                           [Altingiales]
                           [Cercidiphyllales]
                           [Crassulales]
                           [Cynomoriales]
                           [Daphniphyllales]
                           [Fothergillales]
                           [Grossulariales]
                           [Haloragales]
                           [Hamamelidales]
                           [Iteales]
                           [Medusandrales]
                           [Paeoniales]
                           [Peridiscales]
                           [Sedales]
                           [Sempervivales]
                            Saxifragaceae
                                   [Chrysospleniaceae]
                                     Antiphylla
                                     Astilbe
                                             Astilbe biternata
                                                   [Astilbe crenatiloba]
                                             Astilbe japonica
                                     Bensonia
                                     Bensoniella
                                             Bensoniella oregona
                                                   [Bensonia oregona]
                                                   [Bensoniella oregana]
                                     Bergenia
                                             Bergenia crassifolia
                                                   [Bergenia cordifolia]
                                     Bolandra
                                             Bolandra californica
                                             Bolandra oregana
                                                   [Bolandra oregana var. imnahaensis]
                                     Boykinia
                                             Boykinia aconitifolia
                                                   [Boykinia turbinata]
                                                   [Therofon aconitifolium]
                                                   [Therofon turbinatum]
                                             Boykinia intermedia
                                                   [Boykinia major var. intermedia]
                                             Boykinia major
                                             Boykinia occidentalis
                                                   [Boykinia elata]
                                                   [Boykinia vancouverensis]
                                             Boykinia richardsonii
                                                   [Therofon richardsonii]
                                             Boykinia rotundifolia
                                     Cascadia
                                             Cascadia nuttallii
                                     Chondrosea
                                     Chrysosplenium
                                             Chrysosplenium alternifolium
                                             Chrysosplenium americanum
                                             Chrysosplenium glechomifolium
                                             Chrysosplenium iowense
                                                   [Chrysosplenium alternifolium ssp. iowense]
                                                   [Chrysosplenium alternifolium var. iowense]
                                                   [Chrysosplenium alternifolium var. sibiricum]
                                             Chrysosplenium rosendahlii
                                                   [Chrysosplenium alternifolium var. rosendahlii]
                                             Chrysosplenium tetrandrum
                                                   [Chrysosplenium alternifolium ssp. tetrandrum]
                                                   [Chrysosplenium alternifolium var. tetrandrum]
                                             Chrysosplenium wrightii
                                                   [Chrysosplenium beringianum]
                                                   [Chrysosplenium wrightii var. beringianum]
                                                   [Chrysosplenium wrightii var. wrightii]
                                     Ciliaria
                                     Conimitella
                                             Conimitella williamsii
                                     Darmera
                                           [Peltiphyllum]
                                             Darmera peltata
                                                   [Peltiphyllum peltatum]
                                     Elmera
                                             Elmera racemosa
                                                   [Elmera racemosa var. puberulenta]
                                                   [Elmera racemosa var. racemosa]
                                                   [Heuchera racemosa]
                                     Heuchera
                                             Heuchera X cuneata
                                             Heuchera X easthamii
                                             Heuchera abramsii
                                             Heuchera alba
                                             Heuchera americana
                                               Heuchera americana var. americana
                                                     [Heuchera americana var. brevipetala]
                                                     [Heuchera americana var. calycosa]
                                                     [Heuchera americana var. heteradenia]
                                                     [Heuchera americana var. subtruncata]
                                                     [Heuchera curtisii var. crenata]
                                               Heuchera americana var. hirsuticaulis
                                                     [Heuchera americana var. interior]
                                               Heuchera americana var. hispida
                                             Heuchera arkansana
                                             Heuchera bracteata
                                             Heuchera brevistaminea
                                             Heuchera caespitosa
                                                   [Heuchera cespitosa]
                                             Heuchera calycosa
                                             Heuchera caroliniana
                                                   [Heuchera americana var. caroliniana]
                                             Heuchera chlorantha
                                             Heuchera crinita
                                             Heuchera curtisii
                                             Heuchera cylindrica
                                                   [Heuchera cylindrica var. alpina]
                                                   [Heuchera cylindrica var. cylindrica]
                                                   [Heuchera cylindrica var. glabella]
                                                   [Heuchera cylindrica var. orbicularis]
                                                   [Heuchera cylindrica var. ovalifolia]
                                                   [Heuchera cylindrica var. septentrionalis]
                                                   [Heuchera cylindrica var. suksdorfii]
                                                   [Heuchera glabella]
                                                   [Heuchera ovalifolia var. orbicularis]
                                                   [Heuchera ovalifolia var. thompsonii]
                                                   [Heuchera ovalifolia]
                                                   [Heuchera saxicola]
                                                   [Heuchera suksdorfii]
                                             Heuchera diversifolia
                                             Heuchera eastwoodiae
                                             Heuchera elegans
                                             Heuchera glabra
                                             Heuchera glomerulata
                                             Heuchera grossulariifolia
                                                   [Heuchera cusickii]
                                                   [Heuchera grossulariifolia var. grossulariifolia]
                                                   [Heuchera grossulariifolia var. tenuifolia]
                                                   [Heuchera tenuifolia]
                                             Heuchera hallii
                                             Heuchera hirsuticaulis
                                             Heuchera hirsutissima
                                             Heuchera lancipetala
                                             Heuchera longiflora
                                                   [Heuchera aceroides]
                                                   [Heuchera longiflora var. aceroides]
                                                   [Heuchera scabra]
                                             Heuchera macrorhiza
                                             Heuchera maxima
                                             Heuchera merriamii
                                             Heuchera micrantha
                                               Heuchera micrantha var. diversifolia
                                                     [Heuchera micrantha var. pacifica]
                                               Heuchera micrantha var. erubescens
                                               Heuchera micrantha var. hartwegii
                                               Heuchera micrantha var. macropetala
                                               Heuchera micrantha var. micrantha
                                             Heuchera missouriensis
                                             Heuchera novamexicana
                                                   [Heuchera novomexicana]
                                             Heuchera parishii
                                                   [Heuchera alpestris]
                                             Heuchera parviflora
                                               Heuchera parviflora var. parviflora
                                                     [Heuchera parviflora var. rugelii]
                                               Heuchera parviflora var. puberula
                                             Heuchera parvifolia
                                                   [Heuchera duranii]
                                                   [Heuchera flabellifolia var. flabellifolia]
                                                   [Heuchera flabellifolia var. subsecta]
                                                   [Heuchera flabellifolia]
                                                   [Heuchera nivalis]
                                                   [Heuchera parvifolia var. arizonica]
                                                   [Heuchera parvifolia var. dissecta]
                                                   [Heuchera parvifolia var. flavescens]
                                                   [Heuchera parvifolia var. major]
                                                   [Heuchera parvifolia var. microcarpa]
                                                   [Heuchera parvifolia var. nivalis]
                                                   [Heuchera parvifolia var. parvifolia]
                                                   [Heuchera parvifolia var. utahensis]
                                             Heuchera pilosissima
                                                   [Heuchera pilosissima var. hemisphaerica]
                                                   [Heuchera pilosissima var. pilosissima]
                                             Heuchera puberula
                                             Heuchera pubescens
                                                   [Heuchera pubescens var. brachyandra]
                                             Heuchera pulchella
                                             Heuchera richardsonii
                                                   [Heuchera richardsonii var. affinis]
                                                   [Heuchera richardsonii var. grayana]
                                                   [Heuchera richardsonii var. hispidior]
                                             Heuchera rubescens
                                                   [Heuchera leptomeria var. peninsularis]
                                                   [Heuchera leptomeria]
                                                   [Heuchera pringlei]
                                                   [Heuchera rubescens var. alpicola]
                                                   [Heuchera rubescens var. glandulosa]
                                                   [Heuchera rubescens var. pachypoda]
                                                   [Heuchera rubescens var. rubescens]
                                                   [Heuchera rubescens var. rydbergiana]
                                                   [Heuchera rubescens var. truncata]
                                                   [Heuchera rubescens var. versicolor]
                                                   [Heuchera versicolor var. leptomeria]
                                                   [Heuchera versicolor]
                                             Heuchera sanguinea
                                                   [Heuchera sanguinea var. pulchra]
                                                   [Heuchera sanguinea var. sanguinea]
                                             Heuchera villosa
                                               Heuchera villosa var. arkansana
                                               Heuchera villosa var. villosa
                                                     [Heuchera villosa var. intermedia]
                                                     [Heuchera villosa var. macrorhiza]
                                             Heuchera wootonii
                                     Hirculus
                                     Hydatica
                                     Jepsonia
                                             Jepsonia heterandra
                                             Jepsonia malvifolia
                                             Jepsonia parryi
                                     Leptarrhena
                                             Leptarrhena pyrolifolia
                                                   [Leptarrhena amplexifolia]
                                     Leptasea
                                     Lithophragma
                                             Lithophragma affine
                                                   [Lithophragma affine ssp. affine]
                                                   [Lithophragma affine ssp. mixtum]
                                                   [Lithophragma tripartitum]
                                             Lithophragma bolanderi
                                                   [Lithophragma scabrellum var. peirsonii]
                                                   [Lithophragma scabrellum]
                                             Lithophragma campanulatum
                                                   [Lithophragma heterophyllum var. campanulatum]
                                             Lithophragma cymbalaria
                                             Lithophragma glabrum
                                                   [Lithophragma bulbiferum]
                                                   [Lithophragma glabrum var. bulbiferum]
                                                   [Lithophragma glabrum var. ramulosum]
                                             Lithophragma heterophyllum
                                             Lithophragma maximum
                                             Lithophragma parviflorum
                                                   [Lithophragma parviflorum var. parviflorum]
                                             Lithophragma tenellum
                                                   [Lithophragma australe]
                                                   [Lithophragma brevilobum]
                                                   [Lithophragma rupicola]
                                                   [Lithophragma tenellum var. thompsonii]
                                             Lithophragma trifoliatum
                                                   [Lithophragma parviflorum var. trifoliatum]
                                     Micranthes
                                             Micranthes apetala
                                             Micranthes aprica
                                             Micranthes bryophora
                                             Micranthes californica
                                             Micranthes calycina
                                             Micranthes careyana
                                                   [Micranthes tennesseensis]
                                             Micranthes caroliniana
                                             Micranthes davurica
                                             Micranthes eriophora
                                             Micranthes ferruginea
                                             Micranthes foliolosa
                                                   [Hydatica foliolosa]
                                                   [Spatularia foliolosa]
                                             Micranthes fragosa
                                             Micranthes gaspensis
                                             Micranthes gormanii
                                             Micranthes hieraciifolia
                                             Micranthes hitchcockiana
                                             Micranthes howellii
                                             Micranthes idahoensis
                                             Micranthes integrifolia
                                                   [Micranthes bidens]
                                             Micranthes lyallii
                                             Micranthes marshallii
                                             Micranthes micranthidifolia
                                             Micranthes nelsoniana
                                               Micranthes nelsoniana var. aestivalis
                                               Micranthes nelsoniana var. carlottae
                                               Micranthes nelsoniana var. cascadensis
                                               Micranthes nelsoniana var. insularis
                                               Micranthes nelsoniana var. nelsoniana
                                               Micranthes nelsoniana var. porsildiana
                                             Micranthes nidifica
                                                   [Micranthes montana]
                                             Micranthes nivalis
                                             Micranthes nudicaulis
                                             Micranthes occidentalis
                                                   [Micranthes lata]
                                                   [Micranthes saximontana]
                                             Micranthes odontoloma
                                             Micranthes oregana
                                                   [Micranthes arnoglossa]
                                                   [Micranthes brachypus]
                                             Micranthes palmeri
                                             Micranthes pensylvanica
                                             Micranthes petiolaris
                                                   [Hydatica petiolaris]
                                                   [Spathularia michauxii]
                                                   [Spatularia michauxii]
                                             Micranthes razshivinii
                                             Micranthes redofskyi
                                             Micranthes reflexa
                                             Micranthes rhomboidea
                                                   [Micranthes franciscana]
                                             Micranthes rufidula
                                             Micranthes spicata
                                             Micranthes stellaris
                                                   [Hydatica stellaris]
                                                   [Spatularia stellaris]
                                             Micranthes subapetala
                                             Micranthes tempestiva
                                             Micranthes tenuis
                                             Micranthes texana
                                             Micranthes tischii
                                             Micranthes tolmiei
                                             Micranthes unalaschensis
                                             Micranthes virginiensis
                                     Mitella
                                             Mitella X intermedia
                                             Mitella breweri
                                                   [Pectiantia breweri]
                                             Mitella caulescens
                                                   [Mitellastra caulescens]
                                             Mitella diphylla
                                                   [Mitella oppositifolia]
                                             Mitella diversifolia
                                                   [Ozomelis diversifolia]
                                             Mitella nuda
                                                   [Mitella prostrata]
                                             Mitella ovalis
                                                   [Pectiantia ovalis]
                                             Mitella pentandra
                                                   [Pectiantia pentandra]
                                             Mitella stauropetala
                                                   [Mitella stauropetala var. stauropetala]
                                                   [Mitella stauropetala var. stenopetala]
                                                   [Mitella stenopetala]
                                                   [Ozomelis stauropetala]
                                             Mitella trifida
                                                   [Mitella trifida var. trifida]
                                                   [Mitella trifida var. violacea]
                                                   [Mitella violacea]
                                                   [Ozomelis anomala]
                                                   [Ozomelis micrantha]
                                                   [Ozomelis trifida]
                                     Mitellastra
                                     Muscaria
                                     Ozomelis
                                     Pectiantia
                                     Rodgersia
                                             Rodgersia sambucifolia
                                     Saxifragopsis
                                             Saxifragopsis fragarioides
                                     Spathularia
                                     Spatularia
                                     Suksdorfia
                                           [Hemieva]
                                             Suksdorfia ranunculifolia
                                                   [Boykinia ranunculifolia]
                                                   [Hemieva ranunculifolia]
                                             Suksdorfia violacea
                                     Sullivantia
                                             Sullivantia hapemanii
                                               Sullivantia hapemanii var. hapemanii
                                               Sullivantia hapemanii var. purpusii
                                             Sullivantia oregana
                                                   [Sullivantia gregana]
                                             Sullivantia purpusii
                                             Sullivantia sullivantii
                                                   [Sullivantia ohionis]
                                                   [Sullivantia renifolia]
                                     Telesonix
                                             Telesonix heucheriformis
                                                   [Boykinia heucheriformis]
                                                   [Boykinia jamesii var. heucheriformis]
                                                   [Telesonix jamesii var. heucheriformis]
                                             Telesonix jamesii
                                                   [Boykinia jamesii]
                                     Tellima
                                             Tellima grandiflora
                                                   [Tellima odorata]
                                     Therofon
                                     Tiarella
                                             Tiarella californica
                                             Tiarella cordifolia
                                                   [Tiarella cordifolia var. austrina]
                                                   [Tiarella cordifolia var. collina]
                                                   [Tiarella cordifolia var. cordifolia]
                                                   [Tiarella macrophylla]
                                                   [Tiarella wherryi]
                                             Tiarella laciniata
                                             Tiarella trifoliata
                                               Tiarella trifoliata var. laciniata
                                               Tiarella trifoliata var. trifoliata
                                               Tiarella trifoliata var. unifoliata
                                                     [Tiarella trifoliata ssp. unifoliata]
                                             Tiarella unifoliata
                                     Tolmiea
                                             Tolmiea diplomenziesii
                                             Tolmiea menziesii
                                                   [Tiarella menziesii]