Echinocereus sheeri obscuriensis

This plant from Sierra Obscura area has the largest flowers of all E.sheeri. It also sometimes named E.salm-dycianus obscurensis,

Echinocactus texensis

Echinocereus engelmannii

The mid-fall picture of this "(Cactus) King of the West" species. It has been about 6 months sine the last rains hit the area, back in spring. The plants lost water and have very fierce spiny look. Note the smaller spine clusters on the ground - those are the areoles that were dropped from the ripe fruit, meaning yes, this is flowering size plant.

Mammillaria pottsii

This is primarily Mexican species from Durango and Chihiahia states , but the very Northern tip of it's distribution touches unto US in Big Bend NP.

Eriosyce sp

Cleistocactus colademononis

The resent discovery now found in some garden stores - a possible hybrid and beautiful plant.

Echinocereus subinermus