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Sagisma is a fossil genus of aquatic plants. It includes two species distributed in Oligocene and Miocene deposits of western Siberia.[1]
- † Sagisma turgida Nikitin
- † Sagisma turgidum Nikitin
References
- ^ Haggard, Kristina K.; Tiffney, Bruce H. (1997). "The Flora of the Early Miocene Brandon Lignite, Vermont, USA. VIII. Caldesia (Alismataceae)". American Journal of Botany. 84 (2): 239–252. doi:10.2307/2446086. JSTOR 2446086. PMID 21712204.
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