#NEXUS

[!This data set was downloaded from TreeBASE, a relational database of phylogenetic knowledge. TreeBASE has been supported by the NSF, Harvard University, Yale University, SDSC and UC Davis. Please do not remove this acknowledgment from the Nexus file.


Generated on September 18, 2025; 22:11 GMT

TreeBASE (cc) 1994-2008

Study reference:
Urbatsch L., Baldwin B.G., & Donoghue M.J. 2000. Phylogeny of the coneflowers and
relatives (Heliantheae: Asteraceae) based on nuclear rDNA Internal Transcribed
Spacer (ITS) sequences and chlorplast DNA restriction site data. Systematic Botany,
25(3): 539-565.

TreeBASE Study URI:  http://purl.org/phylo/treebase/phylows/study/TB2:S1318]

BEGIN TAXA;
        TITLE  Analysis;
        DIMENSIONS NTAX=57;
        TAXLABELS
            Acmella_repens
            Ambrosia_artemisiifolia
            Ambrosia_trifida
            Berlandiera_pumila
            Borrichia_frutescens
            Calyptocarpus_vialis
            Coreopsis_tinctoria
            Dracopis_amplexicaulis_2
            Dracopis_amplexicaulis_5
            Echinacea_atrorubens
            Echinacea_pallida
            Eclipta_prostrata
            Engelmannia_pinnatifida
            Helianthella_quinquenervis
            Helianthus_simulans
            Heliopsis_annua
            Lindheimera_texana
            Philactis_nelsonii
            Ratibida_mexicana
            Ratibida_pinnata
            Rudbeckia_alpicola
            Rudbeckia_auriculata
            Rudbeckia_californica
            Rudbeckia_fulgida
            Rudbeckia_glaucescens
            Rudbeckia_graminifolia
            Rudbeckia_grandiflora
            Rudbeckia_heliopsidis
            Rudbeckia_hirta
            Rudbeckia_klamathensis
            Rudbeckia_laciniata_2
            Rudbeckia_laciniata_3
            Rudbeckia_laciniata_5
            Rudbeckia_maxima_1
            Rudbeckia_maxima_2
            Rudbeckia_maxima_4
            Rudbeckia_missouriensis
            Rudbeckia_mohrii
            Rudbeckia_mollis
            Rudbeckia_nitida
            Rudbeckia_occidentalis
            Rudbeckia_scabrifolia
            Rudbeckia_subtomentosa
            Rudbeckia_texana
            Rudbeckia_triloba
            Salmea_oligocephala
            Sanvitalia_fruticosa
            Silphium_laciniatum
            Silphium_perfoliatum
            Sphagneticola_trilobata
            Trichocoryne_connata
            Verbesina_occidentalis
            Wyethia_amplexicaulis
            Zinnia_angustifolia
            Zinnia_elegans
            Zinnia_flavicoma
            Zinnia_grandiflora
            ;
END;

BEGIN TREES;
      TITLE Tb7232;
      LINK TAXA = Analysis;
      TREE Fig._1 = [&R] (((((((((Rudbeckia_alpicola,(Rudbeckia_occidentalis,(Rudbeckia_glaucescens,Rudbeckia_klamathensis)),(Rudbeckia_laciniata_2,(Rudbeckia_laciniata_3,Rudbeckia_laciniata_5)),Rudbeckia_californica)Rudbeckia_subg._Macrocline_western_species_,((((Rudbeckia_maxima_1,Rudbeckia_maxima_2,Rudbeckia_maxima_4),Rudbeckia_nitida),(Rudbeckia_texana,Rudbeckia_mohrii)),(Rudbeckia_scabrifolia,Rudbeckia_auriculata))Rudbeckia_subg._Macrocline_southeastern_species_)Rudbeckia_subg._Macrocline,(Dracopis_amplexicaulis_5,Dracopis_amplexicaulis_2)Dracopis)Rudbeckia_subg._Macrocline__Dracopis,((((Rudbeckia_fulgida,Rudbeckia_missouriensis),Rudbeckia_triloba),Rudbeckia_graminifolia),Rudbeckia_grandiflora,Rudbeckia_heliopsidis,(Rudbeckia_hirta,Rudbeckia_mollis),Rudbeckia_subtomentosa)Rudbeckia_subg._Rudbeckia)Rudbeckia,(Ratibida_mexicana,Ratibida_pinnata)Ratibida)Rudbeckiinae,((((((Echinacea_pallida,Echinacea_atrorubens),Sanvitalia_fruticosa),((Zinnia_grandiflora,(Zinnia_elegans,Zinnia_flavicoma)),Zinnia_angustifolia)),(Philactis_nelsonii,Heliopsis_annua)),Trichocoryne_connata),(Acmella_repens,Salmea_oligocephala))Zinniinae,(Ambrosia_artemisiifolia,Ambrosia_trifida),Helianthus_simulans),((Verbesina_occidentalis,Sphagneticola_trilobata),Eclipta_prostrata,Calyptocarpus_vialis),((Wyethia_amplexicaulis,(Engelmannia_pinnatifida,Berlandiera_pumila),(Silphium_laciniatum,(Silphium_perfoliatum,Lindheimera_texana))),Borrichia_frutescens)Engelmanniinae),Helianthella_quinquenervis),Coreopsis_tinctoria);
[!  TreeBASE tree URI: http://purl.org/phylo/treebase/phylows/tree/TB2:Tr4460]


END;