- Florissantia
image_caption = "Florissantia" sp. flower
fossil_range =Eocene toOligocene
regnum =Plantae
unranked_divisio =Angiosperms
unranked_classis =Eudicots
unranked_ordo =Rosids
ordo =Malvales
familia =Malvaceae
genus = "Florissantia"
genus_authority = Manchester
subdivision_ranks =Species
subdivision = "Florissantia ashwillii"
"Florissantia quilchenensis"
"Florissantia speirii"
synonyms ="Porana speirii" Lesquereux
"Holmskioldia speirii" MacGinitie"Florissantia" is an
Eocene toOligocene fossil flowering plant of westernNorth America known from compression fossils in several localities, including fossil beds inBritish Columbia , Washington State,Oregon , andColorado .cite journal|last = Manchester|first = S. R.|title = Flowers, fruits and pollen of "Florissantia", an extinct malvalean genus from the Eocene and Oligocene of western North America|journal = American Journal of Botany|date=1992|volume = 79(9)|pages = 996–1008|accessdate=2008-06-26] The plant is known fromfossil s of its flowers,fruit s, andpollen .References
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