Belongs within: Asteraceae.
The Mutisioideae are a cosmopolitan group of composite-flowered plants, most diverse in South America, whose members bear flowerheads with overlapping involucral bracts, disc florets with deeply incised corollas, and styles usually sticking far out of the florets.
<==Mutisioideae [Mutisieae] PF02
|--Leucomeris PF02
|--Nouelia PF02
|--Schlechtendahlia S06
|--Hyalis S06
|--Plazia S06
|--Onoseris S06
|--Chuquiraga S06
|--Flotovia S06
|--Doniophytum S06
|--Moquinia S06
|--Stifftia S06
|--Pachylaena S06
|--Brachycladus S06
|--Chaetanthera [incl. Carmelita, Tylloma] S06
|--Oriastrum [incl. Egania] S06
|--Trichocline spathulata S06, GK00
|--Macrachaenium S06
|--Ameghinoa S06
|--Hyaloseris S06
|--Proustia stenophylla S06, J87
|--Strongylomopsis S06
|--Triptilium S06
|--Pamphalea S06
|--Leuceria [incl. Chabraea] S06
| `--L. salina D03
|--Trixis [incl. Cleanthes] S06
| `--T. californica H93
|--Nassauvia [incl. Strongyloma] S06
| `--N. serpens D03
|--Mutisia YY22
| |--M. decurrens D03
| `--M. retusa D03
|--Perezia [incl. Clarionea, Homoianthus] S06
| |--P. linearis D03
| |--P. magellanica D03
| `--P. pediculariaefolia D03
|--Chaptalia S06
| |--C. albicans J87
| |--C. (sect. Leria) incana Cuatrecasas 1961 C61
| |--C. meridensis C61
| |--C. paramensis Cuatrecasas 1961 C61
| `--C. runcinata C61
| |--C. r. var. runcinata C61
| `--C. r. var. graminifolia C61
`--Gerbera M99
|--G. discolor M30
|--G. galpini M30
|--G. glandulosa M30
|--G. hybrida MN03
|--G. jamesonii M99
|--G. nivea O88
|--G. piloselloides M30
|--G. plantaginea M30
`--G. viridifolia M30
*Type species of generic name indicated
REFERENCES
[C61] Cuatrecasas, J. 1961. Studies on Andean Compositae V. Proceedings of the Biological Society of Washington 74: 7–28.
[D03] Dusén, P. 1903. The vegetation of western Patagonia. In: Scott, W. B. (ed.) Reports of the Princeton University Expeditions to Patagonia, 1896–1899 vol. 8. Botany pp. 1–34. The University: Princeton (New Jersey).
[GK00] Gibson, N., & G. J. Keighery. 2000. Flora and vegetation of the Byenup-Muir reserve system, south-west Western Australia. CALMScience 3 (3): 323–402.
[H93] Hickman, J. C. (ed.) 1993. The Jepson Manual: Higher Plants of California. University of California Press: Berkeley (California).
[J87] Judd, W. S. 1987. Floristic study of Morne La Visite and Pic Macaya National Parks, Haiti. Bulletin of the Florida State Museum—Biological Sciences 32 (1): 1–136.
[M99] Matthews, M. 1999. Heliothine Moths of Australia: A guide to bollworms and related noctuid groups. CSIRO Publishing.
[MN03] Moffitt, M. C., & B. A. Neilan. 2003. Evolutionary affiliations within the superfamily of ketosynthases reflect complex pathway associations. Journal of Molecular Evolution 56: 446–457.
[M30] Moss, C. E. 1930. Some natural hybrids of Clematis, Anemone, and Gerbera from the Transvaal. Proceedings of the Linnean Society of London 141: 36–40.
[O88] Ohba, H. 1988. The alpine flora of the Nepal Himalayas: an introductory note. In: Ohba, H., & S. B. Malla (eds) The Himalayan Plants vol. 1. The University Museum, University of Tokyo, Bulletin 31: 19–46.
[PF02] Panero, J. L., & V. A. Funk. 2002. Toward a phylogenetic subfamilial classification for the Compositae (Asteraceae). Proceedings of the Biological Society of Washington 115 (4): 909–922.
[S06] Stuckert, T. 1906. Distribución geográfica de la flora Argentina. Géneros de la familia de las compuestas. Anales del Museo Nacional de Buenos Aires, serie 3, 6: 303–309.
[YY22] Yampolsky, C., & H. Yampolsky. 1922. Distribution of sex forms in the phanerogamic flora. Bibliotheca Genetica 3: 1–62.