Lobed Threadwort
- Peak month
- May
- Records since 2000
- 124
- Scientific name
- Cephaloziella integerrima
Pitted Frillwort
- Peak month
- September
- Records since 2000
- 124
- Scientific name
- Fossombronia foveolata
Tetralophozia setiformis
- Peak month
- August
- Records since 2000
- 124
- Group
- Liverworts
Marsupella sphacelata
- Peak month
- July
- Records since 2000
- 122
- Group
- Liverworts
Sphenolobopsis pearsonii
- Peak month
- June
- Records since 2000
- 121
- Group
- Liverworts
Lophoziopsis longidens
- Peak month
- June
- Records since 2000
- 120
- Group
- Liverworts
Scapania cuspiduligera
- Peak month
- July
- Records since 2000
- 116
- Group
- Liverworts
Scapania nimbosa
- Peak month
- July
- Records since 2000
- 112
- Group
- Liverworts
Gymnomitrion brevissimum
- Peak month
- August
- Records since 2000
- 109
- Group
- Liverworts
Haplomitrium hookeri
- Peak month
- July
- Records since 2000
- 109
- Group
- Liverworts
Blue Crystalwort
- Peak month
- April
- Records since 2000
- 108
- Scientific name
- Riccia crystallina
Marsh earwort
- Peak month
- August
- Records since 2000
- 108
- Scientific name
- Biantheridion undulifolium
Fuscocephaloziopsis leucantha
- Peak month
- July
- Records since 2000
- 106
- Group
- Liverworts
Targionia hypophylla
- Peak month
- December
- Records since 2000
- 104
- Group
- Liverworts
Fuscocephaloziopsis loitlesbergeri
- Peak month
- July
- Records since 2000
- 103
- Group
- Liverworts
Gymnomitrion alpinum
- Peak month
- August
- Records since 2000
- 98
- Group
- Liverworts
Wilson's Pouchwort
- Peak month
- July
- Records since 2000
- 96
- Scientific name
- Acrobolbus wilsonii
Gymnomitrion adustum
- Peak month
- June
- Records since 2000
- 91
- Group
- Liverworts
Pseudomoerckia blyttii
- Peak month
- July
- Records since 2000
- 91
- Group
- Liverworts
Stabler's rustwort
- Peak month
- July
- Records since 2000
- 90
- Scientific name
- Marsupella stableri
Tritomaria exsecta
- Peak month
- February
- Records since 2000
- 89
- Group
- Liverworts
Oleolophozia perssonii
- Peak month
- February
- Records since 2000
- 87
- Group
- Liverworts
Texas Balloonwort
- Peak month
- February
- Records since 2000
- 87
- Scientific name
- Sphaerocarpos europaeus
Mesoptychia gillmanii
- Peak month
- November
- Records since 2000
- 86
- Group
- Liverworts
Bog Earwort
- Peak month
- August
- Records since 2000
- 85
- Scientific name
- Scapania paludicola
Black Crystalwort
- Peak month
- February
- Records since 2000
- 83
- Scientific name
- Riccia nigrella
Scapania degenii
- Peak month
- July
- Records since 2000
- 81
- Group
- Liverworts
Schljakovia kunzeana
- Peak month
- May
- Records since 2000
- 79
- Group
- Liverworts
Craven Featherwort
- Peak month
- April
- Records since 2000
- 77
- Scientific name
- Pedinophyllum interruptum
Calypogeia azurea
- Peak month
- July
- Records since 2000
- 75
- Group
- Liverworts
Fossombronia maritima
- Peak month
- April
- Records since 2000
- 74
- Group
- Liverworts
Nardia geoscyphus
- Peak month
- July
- Records since 2000
- 74
- Group
- Liverworts
Barbilophozia lycopodioides
- Peak month
- July
- Records since 2000
- 72
- Group
- Liverworts
Holt notchwort
- Peak month
- May
- Records since 2000
- 71
- Scientific name
- Odontoschisma francisci
Jungermannia borealis
- Peak month
- July
- Records since 2000
- 71
- Group
- Liverworts
Entire Threadwort
- Peak month
- January
- Records since 2000
- 69
- Scientific name
- Cephaloziella calyculata
Southbya tophacea
- Peak month
- January
- Records since 2000
- 69
- Group
- Liverworts
Aneura mirabilis
- Peak month
- April
- Records since 2000
- 68
- Group
- Liverworts
A Notchwort
- Peak month
- July
- Records since 2000
- 67
- Scientific name
- Anastrophyllum alpinum
Harpanthus flotovianus
- Peak month
- July
- Records since 2000
- 66
- Group
- Liverworts
Moerckia hibernica
- Peak month
- July
- Records since 2000
- 66
- Group
- Liverworts
Turner's Threadwort
- Peak month
- April
- Records since 2000
- 59
- Scientific name
- Cephaloziella turneri
Calypogeia neesiana
- Peak month
- July
- Records since 2000
- 57
- Group
- Liverworts
Fuscocephaloziopsis albescens
- Peak month
- August
- Records since 2000
- 57
- Group
- Liverworts
Saccobasis polita
- Peak month
- July
- Records since 2000
- 55
- Group
- Liverworts
Channelled Crystalwort
- Peak month
- September
- Records since 2000
- 53
- Scientific name
- Riccia canaliculata
Calypogeia suecica
- Peak month
- February
- Records since 2000
- 52
- Group
- Liverworts
Herbertus norenus
- Peak month
- October
- Records since 2000
- 52
- Group
- Liverworts