Authors: Schumacker, R

Citation: R. Schumacker, The hepatic flora of the Azores: Brief historical outline, present knowledge, endemics and phytogeographical aspects, BELG J BOT, 134(1), 2001, pp. 51-63

Authors: Blockeel, TL Matcham, HW Ochyra, R Bednarek-Ochyra, HW Schumacker, R Vanderpoorien, A

Citation: Tl. Blockeel et al., New national and regional bryophyte records, 4., J BRYOL, 23, 2001, pp. 149-152

Authors: Denayer, FO Van Haluwyn, C de Foucault, B Schumacker, R Colein, P

Citation: Fo. Denayer et al., Use of bryological communities as a diagnostic tool of heavy metal soil contamination (Cd, Pb, Zn) in northern France, PLANT ECOL, 140(2), 1999, pp. 191-201

Authors: Aleffi, M Schumacker, R Puntillo, D Privitera, M Bernardo, L Raso, C

Citation: M. Aleffi et al., Dumortiera hirsuta (Sw.) Nees in Calabria (Italy), its southernmost and highest localities in Europe, and additions to the bryophyte flora of this region, CRYPT BRYOL, 19(4), 1998, pp. 341-359