]> Botany [author note: example of name published Taxilejeunea umbilicata (Nees) J. B. Jack & Stephani] Jack, Joseph Bernhard & Stephani, Franz Jack, Joseph Bernhard & Stephani, Franz J. B. Jack & F. Stephani J.B.Jack & Stephani J. B. Jack & Stephani Joseph Bernard Jack & Franz Stephani