Classification System: APG IV
Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Ordo: Proteales
Familia: Proteaceae
Subfamilia: Persoonioideae
Tribe: Placospermeae
Genera: Placospermum
Name
Placospermeae C.T.White & W.D.Francis, 1924: 79
References
Carpenter, R.J. et al. 2010: Leaf fossils of Proteaceae tribe Persoonieae from the Late Oligocene–Early Miocene of New Zealand. Australian systematic botany, 23(1): 1–15. DOI: 10.1071/SB09015 Reference page.
Feuer S. 1990: Pollen aperture evolution among the subfamilies Persoonioideae, Sphalmioideae, and Carnarvonioideae (Proteaceae). American journal of botany, 77(6): 783–794. JSTOR Reference page.
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