Crystal Cave (Wisconsin) in the context of "Rosulabryum capillare"

Rosulabryum capillare (formerly Bryum capillare) is a species of moss in the Bryaceae family. It has cosmopolitan distribution and is known by the common name capillary threadmoss.

Rosulabryum capillare can use artificial light to grow in places that are otherwise devoid of natural light, such as Crystal Cave in Wisconsin.