Dot lichen
- Peak month
- June
- Records since 2000
- 109
- Scientific name
- Micarea misella
Southern grey physcia
- Peak month
- May
- Records since 2000
- 109
- Scientific name
- Physcia tribacioides
Tylothallia lichen
- Peak month
- May
- Records since 2000
- 108
- Scientific name
- Tylothallia biformigera
A fungus
- Peak month
- May
- Records since 2000
- 107
- Scientific name
- Opegrapha thelotrematis
Lecidea nylanderi
- Peak month
- May
- Records since 2000
- 107
- Group
- Lichens
A Pinhead lichen
- Peak month
- December
- Records since 2000
- 106
- Scientific name
- Calicium lenticulare
Giant shield lichen
- Peak month
- November
- Records since 2000
- 106
- Scientific name
- Cetrelia cetrarioides
Lecanora caesiosora
- Peak month
- March
- Records since 2000
- 106
- Group
- Lichens
Bacidina arnoldiana
- Peak month
- April
- Records since 2000
- 104
- Group
- Lichens
Biatora chrysantha
- Peak month
- May
- Records since 2000
- 104
- Group
- Lichens
Arctoparmelia lichen
- Peak month
- May
- Records since 2000
- 102
- Scientific name
- Arctoparmelia incurva
Bacidia squamellosa
- Peak month
- May
- Records since 2000
- 102
- Group
- Lichens
Petractis clausa
- Peak month
- October
- Records since 2000
- 102
- Group
- Lichens
A Lichen
- Peak month
- August
- Records since 2000
- 101
- Scientific name
- Haloplaca britannica
Spring biatora lichen
- Peak month
- May
- Records since 2000
- 101
- Scientific name
- Biatora vernalis
Karstenia rhopaloides
- Peak month
- January
- Records since 2000
- 100
- Group
- Lichens
Old Growth Rag lichen
- Peak month
- April
- Records since 2000
- 100
- Scientific name
- Platismatia norvegica
Punctelia oxyspora
- Peak month
- June
- Records since 2000
- 100
- Group
- Lichens
Rinodina luridescens
- Peak month
- September
- Records since 2000
- 100
- Group
- Lichens
A Lichen
- Peak month
- February
- Records since 2000
- 99
- Scientific name
- Leptogium saturninum
A lichen
- Peak month
- January
- Records since 2000
- 99
- Scientific name
- Tylophoron hibernicum
Protoparmelia oleagina
- Peak month
- July
- Records since 2000
- 99
- Group
- Lichens
Syncesia myrticola
- Peak month
- May
- Records since 2000
- 99
- Group
- Lichens
A Lichen
- Peak month
- November
- Records since 2000
- 98
- Scientific name
- Pseudoleptogium diffractum
Agyrium lichen
- Peak month
- May
- Records since 2000
- 98
- Scientific name
- Agyrium rufum
Clauzadea metzleri
- Peak month
- November
- Records since 2000
- 98
- Group
- Lichens
Miner's whiskers
- Peak month
- February
- Records since 2000
- 98
- Scientific name
- Chaenotheca stemonea
Opegrapha cesareensis
- Peak month
- August
- Records since 2000
- 98
- Group
- Lichens
Vandenboomia chlorotiza
- Peak month
- October
- Records since 2000
- 98
- Group
- Lichens
Lepra monogona
- Peak month
- September
- Records since 2000
- 95
- Group
- Lichens
A Lichen
- Peak month
- April
- Records since 2000
- 94
- Scientific name
- Hypotrachyna endochlora
A Lichen
- Peak month
- April
- Records since 2000
- 94
- Scientific name
- Micarea synotheoides
Map lichen
- Peak month
- August
- Records since 2000
- 94
- Scientific name
- Rhizocarpon polycarpum
Myriolecis poliophaea
- Peak month
- August
- Records since 2000
- 94
- Group
- Lichens
A Lichen
- Peak month
- August
- Records since 2000
- 92
- Scientific name
- Ramalina portuensis
Rim lichen
- Peak month
- May
- Records since 2000
- 92
- Scientific name
- Lecanora epanora
Serpentine solenopsora
- Peak month
- May
- Records since 2000
- 92
- Scientific name
- Solenopsora liparina
A lichen
- Peak month
- May
- Records since 2000
- 91
- Scientific name
- Baeomyces placophyllus
A lichen
- Peak month
- March
- Records since 2000
- 91
- Scientific name
- Buellia hyperbolica
A lichen
- Peak month
- December
- Records since 2000
- 91
- Scientific name
- Varicellaria velata
Bacidina chloroticula
- Peak month
- January
- Records since 2000
- 91
- Group
- Lichens
Blistered jelly lichen; Jelly lichen
- Peak month
- May
- Records since 2000
- 91
- Scientific name
- Collema nigrescens
Herteliana gagei
- Peak month
- May
- Records since 2000
- 91
- Group
- Lichens
Marchantiana asserigena
- Peak month
- March
- Records since 2000
- 91
- Group
- Lichens
A lichen
- Peak month
- December
- Records since 2000
- 90
- Scientific name
- Reichlingia dendritica
Leproplaca cirrochroa
- Peak month
- November
- Records since 2000
- 90
- Group
- Lichens
Porpidia flavocruenta
- Peak month
- April
- Records since 2000
- 90
- Group
- Lichens
Rinodina calcarea
- Peak month
- October
- Records since 2000
- 90
- Group
- Lichens