Not an accepted name (status: unknown). No accepted name is recorded for it yet.

Orthotrichum macounii var. lonchothecium (Müll.Hal. & Kindb.) Grout 2% complete

No common name

Moss Fl. N. Amer., 2: 112, 112, 1935

There is no corrections for Orthotrichum macounii var. lonchothecium yet.