Roxanne I. Hastings

BOOK REVIEW: A World Synopsis of the Genus Grimmia (Musci, Grimmiaceae).

Roxanne I. Hastings, 2002 .

Taxonomy and distribution of Grimmia (Bryophyta) in mountain regions of the Northeastern United States

N. G. Miller, Roxanne I. Hastings, 2013 .

Grimmia milleri sp. nov. (Grimmiaceae) from northeastern North America and the status of Grimmia afroincurva

Roxanne I. Hastings, H. Greven, 2007 .

Biogeography of Grimmia teretinervis (Bryopsida, Grimmiaceae) in North America

Roxanne I. Hastings, 2002 .