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Landeenia aralioides (MacGinitie)
Manchester & Hermsen. Pollen from Landeenia stamens.
Clump of pollen from flower (UF26703) , showing approximately
circular polar and equatorial profiles of the pollen grains. Figure
23 in Manchester, S. R. and E. J. Hermsen. 2000. Flowers, fruits,
seeds, and pollen of Landeenia gen. nov., an extinct sapindalean
genus from the Eocene of Wyoming. American Journal of Botany 87(12):1909-1914.
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