]> [author note: Herbarium and types: W, WU; mosses at H; other types at FI, duplicates widely distributed] Botany Handel-Mazzetti, Heinrich R. E. Handel-Mazzetti, Heinrich R. E. H. R. E. Handel-Mazzetti Hand.-Mazz. Handel-Mazzetti Handel-Mazzetti, Heinrich Freiherr von Heinrich R. E. Handel-Mazzetti 1882 1940