Disocactus macdougallii Lectotype: [illustration] “fig. 162. Lobeira macdougallii sp. nov., natural size” in Alexander in Cact. Succ. J. (Los Angeles) 16: 176. 1944 DNA Bank DB 39966 Mexico, Chiapas. 2,7M east on the road to Ocosingo from intersection with Mex 190, Mun. Teopisca., alt. 2620 m, M. Kimnach, Bauml & H. Sánchez-Mejorada 622 (Herbarium Berolinense: B GT 0023568)