Question: How many different types of daylilies are there?
Disambiguated questions and answers: question: How many different types of daylily cultivars are there estimated to be?
How many different heirloom species types of daylily are recognized by Plants of the World Online?
How many different hybrid species types of daylily are recognized by Plants of the World Online?
answer: 80,000
over 80,000
16
Two
Natural Questions answer: 19 species (from the Wikipedia article "Daylily")