Kuettlingeria teicholyta
- Peak month
- June
- Records since 2000
- 1,734
- Group
- Lichens
Board Lichen
- Peak month
- May
- Records since 2000
- 1,698
- Scientific name
- Trapeliopsis flexuosa
Black Lichen
- Peak month
- September
- Records since 2000
- 1,679
- Scientific name
- Lichina pygmaea
Mustard kidney lichen
- Peak month
- May
- Records since 2000
- 1,679
- Scientific name
- Nephroma laevigatum
Scaly Dog-lichen
- Peak month
- May
- Records since 2000
- 1,668
- Scientific name
- Peltigera praetextata
Pyrrhospora lichen
- Peak month
- May
- Records since 2000
- 1,655
- Scientific name
- Pyrrhospora quernea
Powdered Moon Lichen
- Peak month
- May
- Records since 2000
- 1,644
- Scientific name
- Sticta limbata
Powdered Speckled Shield Lichen
- Peak month
- February
- Records since 2000
- 1,640
- Scientific name
- Punctelia jeckeri
Orange Pixie-hair Lichen
- Peak month
- May
- Records since 2000
- 1,636
- Scientific name
- Coenogonium luteum
Lecanora soralifera
- Peak month
- May
- Records since 2000
- 1,632
- Group
- Lichens
White-edged Stone Lichen
- Peak month
- May
- Records since 2000
- 1,629
- Scientific name
- Trapelia coarctata
Old-wood Lichen
- Peak month
- May
- Records since 2000
- 1,626
- Scientific name
- Lecanactis abietina
Dust lichen
- Peak month
- April
- Records since 2000
- 1,621
- Scientific name
- Chrysothrix candelaris
Peppered Moon Lichen
- Peak month
- May
- Records since 2000
- 1,621
- Scientific name
- Sticta fuliginosa
Dirina massiliensis
- Peak month
- June
- Records since 2000
- 1,615
- Group
- Lichens
Lecidea grisella
- Peak month
- May
- Records since 2000
- 1,615
- Group
- Lichens
Porpidia lichen
- Peak month
- June
- Records since 2000
- 1,613
- Scientific name
- Porpidia soredizodes
Olive Scribble Lichen
- Peak month
- May
- Records since 2000
- 1,611
- Scientific name
- Opegrapha vulgata
Kleopowiella placodioides
- Peak month
- June
- Records since 2000
- 1,598
- Group
- Lichens
Enterographa crassa
- Peak month
- April
- Records since 2000
- 1,592
- Group
- Lichens
Cladonia rangiformis
- Peak month
- July
- Records since 2000
- 1,582
- Group
- Lichens
Glaucomaria sulphurea
- Peak month
- August
- Records since 2000
- 1,570
- Group
- Lichens
Fuscidea lichen
- Peak month
- May
- Records since 2000
- 1,569
- Scientific name
- Fuscidea cyathoides
Antler Lichen
- Peak month
- June
- Records since 2000
- 1,558
- Scientific name
- Pseudevernia furfuracea
Beard lichen
- Peak month
- March
- Records since 2000
- 1,554
- Scientific name
- Usnea cornuta
Lipstick Powderhorn
- Peak month
- May
- Records since 2000
- 1,520
- Scientific name
- Cladonia macilenta
Cladonia diversa
- Peak month
- May
- Records since 2000
- 1,509
- Group
- Lichens
Black-bordered Shingle Lichen
- Peak month
- May
- Records since 2000
- 1,498
- Scientific name
- Parmeliella thriptophylla
Lepra corallina
- Peak month
- May
- Records since 2000
- 1,493
- Group
- Lichens
Ciliate reindeer lichen
- Peak month
- August
- Records since 2000
- 1,471
- Scientific name
- Cladonia ciliata
Polished Camouflage Lichen
- Peak month
- May
- Records since 2000
- 1,462
- Scientific name
- Melanelixia glabratula
Textured Lung Lichen
- Peak month
- March
- Records since 2000
- 1,462
- Scientific name
- Lobarina scrobiculata
Lobed Goldspeck
- Peak month
- June
- Records since 2000
- 1,461
- Scientific name
- Candelariella medians
Pink Dimple Lichen
- Peak month
- April
- Records since 2000
- 1,459
- Scientific name
- Coenogonium pineti
Concentric Boulder Lichen
- Peak month
- May
- Records since 2000
- 1,451
- Scientific name
- Porpidia crustulata
Pectenia atlantica
- Peak month
- May
- Records since 2000
- 1,406
- Group
- Lichens
Six-celled Moss-dot
- Peak month
- May
- Records since 2000
- 1,393
- Scientific name
- Bilimbia sabuletorum
Lecania lichen
- Peak month
- August
- Records since 2000
- 1,390
- Scientific name
- Lecania erysibe
Variospora aurantia
- Peak month
- October
- Records since 2000
- 1,388
- Group
- Lichens
Disc lichen
- Peak month
- September
- Records since 2000
- 1,386
- Scientific name
- Buellia ocellata
Lecania lichen
- Peak month
- April
- Records since 2000
- 1,379
- Scientific name
- Lecania cyrtella
Elegant script lichen
- Peak month
- May
- Records since 2000
- 1,359
- Scientific name
- Graphis elegans
Smoky Crottle
- Peak month
- May
- Records since 2000
- 1,349
- Scientific name
- Parmelia omphalodes
Common Boulder Lichen
- Peak month
- April
- Records since 2000
- 1,342
- Scientific name
- Porpidia macrocarpa
Hypotrachyna lichen
- Peak month
- May
- Records since 2000
- 1,332
- Scientific name
- Hypotrachyna laevigata
Sea Ivory
- Peak month
- August
- Records since 2000
- 1,321
- Scientific name
- Ramalina siliquosa
Crinkled Jelly Lichen
- Peak month
- July
- Records since 2000
- 1,308
- Scientific name
- Blennothallia crispa
Vouaux's Dust Lichen
- Peak month
- June
- Records since 2000
- 1,296
- Scientific name
- Lepraria vouauxii