Escobaria missouriensis ssp.navajoensis (Neobesseya) is an interesting type of Escobaria missouriensis but tiny. The stem is flattened only a 1-3 cm broad, so it's a very small species. The flower is yellow, small (2-3 cm). The spines are very short.
Escobaria abdita ssp. tenuispina derives its name from the Latin term 'abdita', which means 'hidden' or 'invisible.' This name reflects its unique behavior in its natural environment, where it often conceals itself within ground crevices in dry seasons.
Escobaria missouriensis v. wissmannii (syn: Neobesseya wissmannii) is the Texan population of Escobaria missouriensis. The flower is almost apical, with fringed petals, from light greenish yellow to yellow-green, with central stripes of green or rosy pink