drummond moss
Drummondia prorepens (Hedw.) Trevis.

Drummondia prorepens is a species in the genus Drummondia, belonging to the family Drummondiaceae. It is commonly known as drummond moss and is distributed in Labrador, Québec, Vermont (United States), and Norway. The species was first published in 1853.
Description
Drummondia prorepens is a moss species found in Labrador, Québec, Vermont in the United States, and Norway. It is a member of the genus Drummondia, which is part of the family Drummondiaceae. The species was described and published in 1853. It is known by the common name drummond moss in English.
Other common names
Drummond's bark mossTrain Track Mossdrummond moss
Distribution
Labrador · Québec · Vermont-US · NO
Synonyms
Anodontium prorepensDrummondia canadensisDrummondia clavellataLeiotheca clavellataGymnostomum prorepensMacromitrium clavellatumOrthotrichum clavellatumDrummondia clavellata var. canadensisDrummondia prorepens var. canadensis