Ceratodon purpureus

This is a common moss throughout much of North America in exposed, rocky sites. The leaves are unusual in being two cells thick towards the margins.

Leaves, Cedar Hills, 18 Feb 2007.

Clump with sporophytes, Dripping Springs, 17 Feb 2007.

Closer view of sporophytes, Dripping Springs, 17 Feb 2007.

A vegetative clump, Cedar Hills, 18 Feb 2007.