Lectotypes are designated for four Linnaean names for taxa belonging a
t present to the genera Jovibarba and Sempervivum: S. globiferum (= J.
globifera), S. hirtum (= J. globifera subsp. hirta) S. arachnoideum,
and S. montanum. In addition, epitypes are designated for S. arachnoid
eum and S. montanum as well as a lectotype for S. soboliferum Sims, a
synonym of J. globifera.