North America, Southwestern United States, Mexico, Latin America and the Caribbean
North America
Astrophytum ornatum, Echinocactus grusonii, Echinocactus grusonii
Helianthus annuus, Heliantheae,
12, 13, 21, 22, 23, 24
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24