Incertae sedis Magnolia

Regnum: Plantae
Divisio: Magnoliophyta
Classis: Magnoliopsida
Ordo: Magnoliales
Familia: Magnoliaceae
Subfamilia: Magnolioideae
Genus: Magnolia
Subgenus: incertae sedis
Species: †M. muldoonae - †M. paroblonga - †M. tiffneyi

References

* Manchester, Steven. R. (1994); "Fruits and seeds of the Middle Eocene Nut Beds Flora, Clarno Formation, Oregon." Palaeontographica Americana 58: 1–205.