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  Plantae
    Viridiplantae
     Streptophyta
     Embryophyta
      Tracheophyta
        Spermatophytina
            Magnoliopsida
                  Rosanae
                    Rosales
                           [Amygdalales]
                           [Artocarpales]
                           [Barbeyales]
                           [Cannabales]
                           [Dryadales]
                           [Elaeagnales]
                           [Ficales]
                           [Frangulales]
                           [Morales]
                           [Rhamnales]
                           [Sanguisorbales]
                           [Spiraeales]
                           [Ulmales]
                           [Urticales]
                            Rhamnaceae
                                     Adolphia
                                             Adolphia californica
                                             Adolphia infesta
                                                   [Ceanothus infesta]
                                     Alphitonia
                                             Alphitonia excelsa
                                                   [Colubrina excelsa]
                                             Alphitonia ponderosa
                                                   [Alphitonia ponderosa var. auwahiensis]
                                                   [Alphitonia ponderosa var. costata]
                                                   [Alphitonia ponderosa var. grandifolia]
                                                   [Alphitonia ponderosa var. kauila]
                                                   [Alphitonia ponderosa var. lanaiensis]
                                     Auerodendron
                                             Auerodendron pauciflorum
                                     Banisteria
                                             Banisteria diversifolia
                                             Banisteria emarginata
                                             Banisteria floribunda
                                             Banisteria laurifolia
                                             Banisteria lucida
                                             Banisteria ovata
                                             Banisteria pubera
                                             Banisteria purpurea
                                             Banisteria wydleriana
                                     Berchemia
                                             Berchemia scandens
                                     Ceanothus
                                             Ceanothus X arcuatus
                                             Ceanothus X bakeri
                                             Ceanothus X delileanus
                                             Ceanothus X flexilis
                                             Ceanothus X lobbianus
                                             Ceanothus X lorenzenii
                                                   [Ceanothus velutinus var. lorenzenii]
                                             Ceanothus X mendocinensis
                                             Ceanothus X otayensis
                                             Ceanothus X pallidus
                                             Ceanothus X regius
                                             Ceanothus X rugosus
                                             Ceanothus X serrulatus
                                             Ceanothus X vanrensselaeri
                                             Ceanothus X veitchianus
                                             Ceanothus americanus
                                                   [Ceanothus americanus var. intermedius]
                                                   [Ceanothus americanus var. pitcheri]
                                                   [Ceanothus intermedius]
                                             Ceanothus arboreus
                                                   [Ceanothus arboreus var. glabra]
                                             Ceanothus austromontanus
                                             Ceanothus confusus
                                                   [Ceanothus divergens ssp. confusus]
                                                   [Ceanothus prostratus ssp. confusus]
                                             Ceanothus connivens
                                             Ceanothus cordulatus
                                             Ceanothus crassifolius
                                                   [Ceanothus crassifolius var. planus]
                                             Ceanothus cuneatus
                                               Ceanothus cuneatus var. cuneatus
                                                     [Ceanothus cuneatus ssp. cuneatus]
                                                     [Ceanothus cuneatus var. dubius]
                                                     [Ceanothus cuneatus var. submontanus]
                                                     [Ceanothus ramulosus]
                                               Ceanothus cuneatus var. fascicularis
                                                     [Ceanothus cuneatus ssp. fascicularis]
                                                     [Ceanothus ramulosus var. fascicularis]
                                               Ceanothus cuneatus var. rigidus
                                                     [Ceanothus cuneatus ssp. rigidus]
                                                     [Ceanothus rigidus var. albus]
                                                     [Ceanothus rigidus]
                                             Ceanothus cyaneus
                                             Ceanothus dentatus
                                                   [Ceanothus dentatus var. floribundus]
                                             Ceanothus divergens
                                                   [Ceanothus purpureus ssp. divergens]
                                             Ceanothus diversifolius
                                                   [Ceanothus decumbens]
                                             Ceanothus fendleri
                                                   [Ceanothus fendleri var. venosus]
                                                   [Ceanothus fendleri var. viridis]
                                                   [Ceanothus subsericeus]
                                             Ceanothus ferrisiae
                                                   [Ceanothus ferrisae]
                                             Ceanothus foliosus
                                               Ceanothus foliosus var. foliosus
                                                     [Ceanothus austromontanus]
                                                     [Ceanothus dentatus var. dickeyi]
                                                     [Ceanothus foliosus ssp. foliosus]
                                               Ceanothus foliosus var. medius
                                                     [Ceanothus foliosus ssp. medius]
                                               Ceanothus foliosus var. vineatus
                                                     [Ceanothus foliosus ssp. vineatus]
                                             Ceanothus fresnensis
                                             Ceanothus gloriosus
                                               Ceanothus gloriosus var. exaltatus
                                                     [Ceanothus gloriosus ssp. exaltatus]
                                               Ceanothus gloriosus var. gloriosus
                                                     [Ceanothus gloriosus ssp. gloriosus]
                                                     [Ceanothus prostratus var. grandiflorus]
                                                     [Ceanothus rigidus var. grandiflorus]
                                               Ceanothus gloriosus var. porrectus
                                                     [Ceanothus gloriosus ssp. porrectus]
                                             Ceanothus greggii
                                               Ceanothus greggii var. franklinii
                                               Ceanothus greggii var. greggii
                                                     [Ceanothus greggii ssp. greggii]
                                                     [Ceanothus greggii var. orbiculatus]
                                               Ceanothus greggii var. perplexans
                                                     [Ceanothus greggii ssp. perplexans]
                                                     [Ceanothus perplexans]
                                               Ceanothus greggii var. vestitus
                                                     [Ceanothus greggii ssp. vestitus]
                                                     [Ceanothus vestitus]
                                             Ceanothus griseus
                                                   [Ceanothus griseus var. horizontalis]
                                             Ceanothus hearstiorum
                                             Ceanothus herbaceus
                                                   [Ceanothus herbaceus var. pubescens]
                                                   [Ceanothus ovatus var. pubescens]
                                                   [Ceanothus ovatus]
                                                   [Ceanothus pubescens]
                                             Ceanothus impressus
                                               Ceanothus impressus var. impressus
                                               Ceanothus impressus var. nipomensis
                                             Ceanothus incanus
                                             Ceanothus insularis
                                             Ceanothus integerrimus
                                                   [Ceanothus andersonii]
                                                   [Ceanothus californicus]
                                                   [Ceanothus integerrimus var. californicus]
                                                   [Ceanothus integerrimus var. macrothyrsus]
                                                   [Ceanothus integerrimus var. puberulus]
                                             Ceanothus jepsonii
                                               Ceanothus jepsonii var. albiflorus
                                                     [Ceanothus jepsonii ssp. albiflorus]
                                               Ceanothus jepsonii var. jepsonii
                                                     [Ceanothus jepsonii ssp. jepsonii]
                                             Ceanothus lemmonii
                                             Ceanothus leucodermis
                                             Ceanothus maritimus
                                             Ceanothus martinii
                                             Ceanothus masonii
                                                   [Ceanothus gloriosus ssp. masonii]
                                             Ceanothus megacarpus
                                               Ceanothus megacarpus var. insularis
                                                     [Ceanothus insularis]
                                                     [Ceanothus megacarpus ssp. insularis]
                                               Ceanothus megacarpus var. megacarpus
                                                     [Ceanothus megacarpus ssp. megacarpus]
                                                     [Ceanothus megacarpus var. pendulus]
                                             Ceanothus microphyllus
                                             Ceanothus oliganthus
                                                   [Ceanothus divaricatus]
                                                   [Ceanothus hirsutus]
                                                   [Ceanothus oliganthus ssp. oliganthus]
                                                   [Ceanothus oliganthus var. oliganthus]
                                                   [Ceanothus oliganthus var. orcuttii]
                                                   [Ceanothus orcuttii]
                                             Ceanothus ophiochilus
                                             Ceanothus palmeri
                                                   [Ceanothus spinosus var. palmeri]
                                             Ceanothus papillosus
                                               Ceanothus papillosus var. papillosus
                                                     [Ceanothus X regius]
                                                     [Ceanothus papillosus ssp. papillosus]
                                                     [Ceanothus papillosus ssp. regius]
                                               Ceanothus papillosus var. roweanus
                                                     [Ceanothus papillosus ssp. roweanus]
                                             Ceanothus parryi
                                             Ceanothus parvifolius
                                             Ceanothus perplexans
                                             Ceanothus pinetorum
                                             Ceanothus prostratus
                                                   [Ceanothus divergens ssp. occidentalis]
                                                   [Ceanothus prostratus ssp. prostratus]
                                                   [Ceanothus prostratus var. laxus]
                                                   [Ceanothus prostratus var. occidentalis]
                                             Ceanothus pumilus
                                                   [Ceanothus X humboldtensis]
                                                   [Ceanothus prostratus ssp. pumilus]
                                             Ceanothus purpureus
                                                   [Ceanothus jepsonii var. purpureus]
                                                   [Ceanothus purpureus ssp. purpureus]
                                             Ceanothus ramulosus
                                             Ceanothus rigidus
                                             Ceanothus roderickii
                                             Ceanothus sanguineus
                                                   [Ceanothus oreganus]
                                             Ceanothus serpyllifolius
                                             Ceanothus sonomensis
                                                   [Ceanothus cuneatus ssp. sonomensis]
                                             Ceanothus sorediatus
                                                   [Ceanothus intricatus]
                                                   [Ceanothus oliganthus ssp. sorediatus]
                                                   [Ceanothus oliganthus var. sorediatus]
                                             Ceanothus spinosus
                                             Ceanothus thyrsiflorus
                                                   [Ceanothus thyrsiflorus var. repens]
                                             Ceanothus tomentosus
                                                   [Ceanothus tomentosus ssp. olivaceus]
                                                   [Ceanothus tomentosus var. olivaceus]
                                             Ceanothus velutinus
                                               Ceanothus velutinus var. hookeri
                                                     [Ceanothus velutinus ssp. hookeri]
                                                     [Ceanothus velutinus var. laevigatus]
                                               Ceanothus velutinus var. velutinus
                                                     [Ceanothus velutinus ssp. velutinus]
                                             Ceanothus verrucosus
                                             Ceanothus vestitus
                                     Colletia
                                             Colletia spinosissima
                                                   [Colletia spinosa]
                                     Colubrina
                                             Colubrina arborescens
                                                   [Colubrina colubrina]
                                             Colubrina asiatica
                                             Colubrina californica
                                                   [Colubrina texensis var. californica]
                                             Colubrina cubensis
                                               Colubrina cubensis var. floridana
                                             Colubrina elliptica
                                                   [Colubrina reclinata]
                                             Colubrina glandulosa
                                               Colubrina glandulosa var. antillana
                                                     [Colubrina rufa var. antillana]
                                             Colubrina greggii
                                                   [Colubrina greggii var. greggii]
                                                   [Colubrina greggii var. yucatanensis]
                                             Colubrina oppositifolia
                                             Colubrina rufa
                                             Colubrina stricta
                                             Colubrina texensis
                                               Colubrina texensis var. pedunculata
                                               Colubrina texensis var. texensis
                                             Colubrina verrucosa
                                                   [Colubrina urbanii]
                                                   [Hybosperma spinosum]
                                     Condalia
                                             Condalia correllii
                                             Condalia ericoides
                                                   [Microrhamnus ericoides]
                                             Condalia globosa
                                               Condalia globosa var. pubescens
                                             Condalia hookeri
                                               Condalia hookeri var. edwardsiana
                                               Condalia hookeri var. hookeri
                                                     [Condalia obovata]
                                             Condalia lycioides
                                             Condalia mexicana
                                             Condalia obovata
                                             Condalia obtusifolia
                                             Condalia spathulata
                                             Condalia velutina
                                             Condalia viridis
                                             Condalia warnockii
                                               Condalia warnockii var. kearneyana
                                               Condalia warnockii var. warnockii
                                     Condaliopsis
                                             Condaliopsis lycioides
                                     Gouania
                                             Gouania hillebrandii
                                                   [Gouania cucullata]
                                                   [Gouania faurieri]
                                                   [Gouania lydgatei]
                                                   [Gouania mannii]
                                                   [Gouania pilata]
                                                   [Gouania remyi]
                                                   [Gouania sandwichiana]
                                                   [Gouania thinophila]
                                             Gouania lupuloides
                                                   [Banisteria lupuloides]
                                             Gouania meyenii
                                                   [Gouania gagnei]
                                                   [Gouania oliveri]
                                             Gouania polygama
                                             Gouania vitifolia
                                                   [Gouania bishopii]
                                                   [Gouania hawaiiensis]
                                             Gouania willdenowi
                                     Hovenia
                                             Hovenia dulcis
                                     Hybosperma
                                     Karwinskia
                                             Karwinskia humboldtiana
                                     Krugiodendron
                                             Krugiodendron ferreum
                                                   [Rhamnus ferreus]
                                     Maesopsis
                                             Maesopsis eminii
                                     Microrhamnus
                                     Paliurus
                                             Paliurus spina-christi
                                                   [Rhamnus paliurus]
                                     Reynosia
                                             Reynosia guama
                                             Reynosia krugii
                                             Reynosia septentrionalis
                                             Reynosia uncinata
                                     Rhamnus
                                           [Frangula]
                                             Rhamnus X spathulifolia
                                             Rhamnus alaternus
                                             Rhamnus alnifolia
                                             Rhamnus arguta
                                               Rhamnus arguta var. velutina
                                             Rhamnus betulifolia
                                                   [Frangula betulifolia]
                                               Rhamnus betulifolia var. betulifolia
                                                     [Frangula betulifolia ssp. betulifolia]
                                               Rhamnus betulifolia var. obovata
                                                     [Frangula betulifolia ssp. obovata]
                                             Rhamnus blumeri
                                                   [Frangula X blumeri]
                                             Rhamnus californica
                                                   [Frangula californica]
                                               Rhamnus californica ssp. californica
                                                     [Frangula californica ssp. californica]
                                               Rhamnus californica ssp. crassifolia
                                                     [Frangula californica ssp. crassifolia]
                                                     [Rhamnus tomentella ssp. crassifolia]
                                               Rhamnus californica ssp. cuspidata
                                                     [Frangula californica ssp. cuspidata]
                                                     [Rhamnus tomentella ssp. cuspidata]
                                               Rhamnus californica ssp. occidentalis
                                                     [Frangula californica ssp. occidentalis]
                                                     [Rhamnus californica var. occidentalis]
                                               Rhamnus californica ssp. tomentella
                                                     [Frangula californica ssp. tomentella]
                                                     [Rhamnus tomentella ssp. tomentella]
                                                     [Rhamnus tomentella]
                                               Rhamnus californica ssp. ursina
                                                     [Frangula californica ssp. ursina]
                                                     [Rhamnus californica var. ursima]
                                                     [Rhamnus californica var. ursina]
                                                     [Rhamnus tomentella ssp. ursina]
                                             Rhamnus caroliniana
                                                   [Frangula caroliniana]
                                                   [Rhamnus caroliniana var. mollis]
                                             Rhamnus cathartica
                                             Rhamnus citrifolia
                                             Rhamnus crocea
                                               Rhamnus crocea ssp. crocea
                                               Rhamnus crocea ssp. insula
                                                     [Rhamnus insula]
                                               Rhamnus crocea ssp. pilosa
                                                     [Rhamnus pilosa]
                                             Rhamnus davurica
                                               Rhamnus davurica ssp. davurica
                                                     [Rhamnus citrifolia]
                                                     [Rhamnus davurica var. davurica]
                                               Rhamnus davurica ssp. nipponica
                                                     [Rhamnus davurica var. nipponica]
                                             Rhamnus frangula
                                                   [Frangula alnus]
                                                   [Rhamnus frangula var. angustifolia]
                                             Rhamnus globosa
                                                   [Rhamnus chlorophora]
                                                   [Rhamnus globosus]
                                             Rhamnus ilicifolia
                                                   [Rhamnus crocea ssp. ilicifolia]
                                                   [Rhamnus crocea var. ilicifolia]
                                             Rhamnus insula
                                             Rhamnus japonica
                                             Rhamnus lanceolata
                                               Rhamnus lanceolata ssp. glabrata
                                                     [Rhamnus lanceolata var. glabrata]
                                               Rhamnus lanceolata ssp. lanceolata
                                                     [Rhamnus lanceolata var. lanceolata]
                                             Rhamnus libanotica
                                             Rhamnus lycioides
                                               Rhamnus lycioides ssp. oleoides
                                                     [Rhamnus oleoides]
                                             Rhamnus oleoides
                                             Rhamnus petiolaris
                                             Rhamnus pilosa
                                             Rhamnus pirifolia
                                                   [Rhamnus crocea ssp. pirifolia]
                                                   [Rhamnus crocea var. pirifolia]
                                                   [Rhamnus insularis]
                                             Rhamnus purshiana
                                                   [Frangula purshiana ssp. annonifolia]
                                                   [Frangula purshiana ssp. ultramafica]
                                                   [Frangula purshiana]
                                             Rhamnus rubra
                                               Rhamnus rubra ssp. modocensis
                                                     [Frangula rubra ssp. modocensis]
                                               Rhamnus rubra ssp. nevadensis
                                                     [Frangula rubra ssp. nevadensis]
                                               Rhamnus rubra ssp. obtusissima
                                                     [Frangula rubra ssp. obtusissima]
                                               Rhamnus rubra ssp. rubra
                                                     [Frangula rubra ssp. rubra]
                                                     [Frangula rubra]
                                               Rhamnus rubra ssp. yosemitana
                                                     [Frangula rubra ssp. yosemitana]
                                             Rhamnus saxatilis
                                                   [Rhamnus infectoria]
                                             Rhamnus serrata
                                                   [Rhamnus fasciculata]
                                                   [Rhamnus smithii ssp. fasciculata]
                                             Rhamnus smithii
                                                   [Rhamnus smithi]
                                                   [Rhamnus smithii ssp. typica]
                                             Rhamnus sphaerosperma
                                                   [Frangula sphaerosperma]
                                               Rhamnus sphaerosperma var. longipes
                                                     [Frangula sphaerosperma ssp. longipes]
                                             Rhamnus tinctoria
                                             Rhamnus tomentella
                                             Rhamnus utilis
                                     Sageretia
                                             Sageretia minutiflora
                                                   [Rhamnus minutiflora]
                                             Sageretia thea
                                             Sageretia wrightii
                                     Sarcomphalus
                                     Smythea
                                             Smythea lanceata
                                     Ziziphus
                                             Ziziphus celata
                                             Ziziphus jujuba
                                                   [Ziziphus zizyphus]
                                             Ziziphus lotus
                                             Ziziphus mauritiana
                                             Ziziphus nummularia
                                             Ziziphus obtusifolia
                                               Ziziphus obtusifolia var. canescens
                                                     [Condalia lycioides var. canescens]
                                                     [Condaliopsis lycioides var. canescens]
                                               Ziziphus obtusifolia var. obtusifolia
                                                     [Condalia lycioides]
                                                     [Condalia obtusifolia]
                                                     [Condaliopsis lycioides]
                                             Ziziphus parryi
                                                   [Condalia parryi]
                                                   [Condaliopsis parryi]
                                                   [Ziziphus parryi var. parryi]
                                             Ziziphus reticulata
                                                   [Sarcomphalus reticulatus]
                                             Ziziphus rignonii
                                                   [Sarcomphalus domingensis]
                                             Ziziphus taylorii
                                                   [Sarcomphalus taylorii]

Problematic Rooting (234025)
                                             Frangula rubra