]> [author note: Herbarium and types: Bryophyta Exsiccata Hannoverana Fasc. 1-3, nos. 1-150. 1908-1909, at BM, FH] [collector note: HAN, NMW (Bryo., col. 1908)] Botany Wehrhahn, Wilhelm R. Wehrhahn, Wilhelm R. W. R. Wehrhahn Wehrh. Wehrhahn Wilhelm R. Wehrhahn Wehrhahn, Wilhelm 1857 1926