Richard Henry Zander

Genera of the Pottiaceae

Floristics and environmental planning in western New York and adjacent Ontario

Didymodon luridus Hornsch. in Spreng. replaces D. trifarius (Hedw.) Roehl

The mosses of the Southern Blue Ridge province and their phytogeographic relationships

Some pottiaceous mosses from the Aegean islands of Greece

Geographic disjunction and heterophylly in Tortella fragilis var. tortelloides (=Sarconeurum tortelloides)

Gametophytic distinctions of Zygodon (Orthotrichaceae) and Anoectangium and Leptodontium (Pottiaceae) and the status of Anoectangium rubrigemmium of Hawaii

Molendoa hornschuchiana new to the Americas from the Pacific coast of Alaska

Notes on Barbula and Pseudocrossidium (Bryopsida) in North America and an annotated key to the taxa

Hymenostylium recurvirostrum var. insigne and Barbula amplexifolia in British Columbia, Canada

Spread of Leptodontium viticulosoides (bryopsida) after Balsam Woody Aphid infestation of Fraser Fir