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Reproductive and vegetative organs with affinities to Haloragaceae from the Upper Cretaceous Huepac Chert Locality of Sonora, Mexico |
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| Authors: | Hernández-Castillo G R Cevallos-Ferriz S R |
| Institution: | Facultad de Ciencias, UNAM. Circuito Exterior, Ciudad Universitaria, Del. Coyoacán 04510, México D.F.; and. |
| Abstract: | |
| Keywords: | anatomy Haloragaceae floral cup Mexico Myriophylleae Upper Cretaceous |
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