Hoxey P., Notes on the cacti of the Sandia valley, Puno, Peru and a description of a new species of Echinopsis (Cactaceae), Bradleya, 2016, 34:187-199, doi: 10.25223/brad.n34.2016.a7
The account from the Sandia valley in Peru describes localities, elevations and traits of several cacti. The section on Lymanbensonia micrantha presents rocky habitats, stem structure, pink flowers, the nectar chamber and fruits.