]> [author note: Herbarium and types: W; additional material at B (extant), HAL, MW, OXF, WRSL] Botany Titius, Pius (Pio) Vendel Titius, Pius (Pio) Vendel P. V. Titius P.Titius P. Titius Pius (Pio) Vendel Titius 1801 1884