Philonotis marchica is a species of moss belonging to the family Bartramiaceae.

[1] This moss species has thin, erect stems and forms a felt-like layer.

The species thrives in peat bogs, on or near the water.

The moss is found always in very small growing places.

[2] In the Netherlands, where it is almost non-existent, it is on the Dutch red list [nl].