Leptogium rivulare (Skin Lichen) is a species of Fungi in the family Collemataceae. They are listed as near threatened by IUCN and as of special concern by COSEWIC.
Definition: A taxon is Near Threatened when it has been evaluated against the criteria but does not qualify for Critically Endangered, Endangered or Vulnerable now, but is close to qualifying for or is likely to qualify for a threatened category in the near future