Excerpt - page 242: "... Loasoideae seem to have the base number x = 6. Loasa malesher- bioides has the lowest chromosome number so far known from the family, 2n = 12 (Grau 1988), and it is possibly the ..."
Excerpt - page 100: "... several species of cinquefoil in the area. STICKLEAF, Mentzelia pumila. LoasaFamily. Com., SN Rims and Can., open, sunny, well- drained slopes ..."