Lichenes: Families with incertae sedis

Family Umbilicariaceae Chevall.

Genus Umbilicaria Hoffm.

• Umbilicaria arctica (Ach.) Nyl. – on stones and rocks (own data).
• Umbilicaria cylindrica (L.) Delise ex Duby – on rocks (own data).
• Umbilicaria deusta (L.) Baumg. – on rocks, boulders (Пийн, 1967; own data).
• Umbilicaria hyperborea (Ach.) Hoffm. – on rocks (Пийн, 1967; own data).
• Umbilicaria proboscidea (L.) Schrad. – on rocks (Пийн, 1967; own data).
• Umbilicaria torrefacta (Lighth.) Schrad. – on rocks (Пийн, 1967; own data).
• Umbilicaria vellea (L.) Hoffm. – on sheer rocks in shady places (own data).

Family Baeomycetaceae Dumont.

Genus Baeomyces Pers.

• Baeomyces carneus Flk. – on rocks (Пийн, 1967: Baeomyces fuscorufescens Vain.).
• Baeomyces rufus (Huds.) Rebent. – on a thin layer of soil on top of bedrock outcrops; rare (Пийн, 1967; own data).

Family Coniocybaceae Rchb.

Genus Chaenotheca (Th. Fr.) Th. Fr.

• Chaenotheca ferruginea (Turner ex Sm.) Migula – on primary soil in the shading (data by И. Жданов).

rus: Семейства с неясным систематическим положением