Plants and Flowers from which yeast were isolated
This is Opuntia bertii and its flower
This is Orocereus variicolor and its flower
Finally, there appeared to be more than one species of Ipomea present. The first is called 1 or A, is from Aplau, and is domesticated.
The second was found growing about 20 km from downtown Nazca but not in anyone's garden. I have no idea whether or not it is domesticated.