SEM and TEM studies are conducted on the Patagonian Ginkgoites skottsbergii.
The specific identity of G. skottsbergii is here highlighted.
33 ultrastructural and EDS ratios are checked among two species of Ginkgoites.
EDS differentiates or not ratios of Cl, N, K, S, Ca for two species of Ginkgoites.
Affinities among 5 Ginkgoaceae taxa enhance species, genus, family characteristics.