Plantosaurus Rex

Dinosaurs have invaded the Conservatory of Flowers in Golden Gate Park!

Prehistoric plants.
Turtles existed alongside dinosaurs, but are obviously more badass as they survived whatever killed the dinos.
The reason we came here was to give Dana a chance to high five a dinosaur, and she failed.
This plant would have fit right in with all of the prehistoric flora and fauna, but it (along with all of the below) is in one of the Conservatory's regular ol' present-day exhibits.

Lily pads above water and underwater.