Question: Do Waldsteinia and Obregonia contain the same number of species?
Sentence (from "Waldsteinia"): A number of species are cultivated as a ground cover in gardens, including "Waldsteinia fragarioides" from North America, "Waldsteinia geoides" from Europe, "Waldsteinia lobata", and "Waldsteinia ternata" from Eurasia (from Central Europe to Siberia, China, and Japan).
Relevant evidence: No