Discocactus Horstii
Aangekocht:
In 2012 op cactusbeurs in Deventer.
Te vinden in Succulenta:
1973:229; 1974:142; 1979:207; 1979:266; 1979:269; 1980:202; 1980:203; 1981:14; 1981:15; 1981:36; 1981:189; 1982:18; 1982:30; 1984:225; 1986:174; 1990:54; 1991:195; 1992:196; 1994:112; 1996:121; 1996:167; 2003:148; 2006:37; 2008:15; 2008:16; 2008:17; 2008:19; 2008:20