Beosus maritimus
- Group
- True bugs
- Records since 2000
- 146
- Peak month
- May
Deflexilodes subnudus
- Group
- Crustaceans
- Records since 2000
- 146
- Peak month
- May
Heterotrissocladius marcidus
- Group
- True flies
- Records since 2000
- 146
- Peak month
- May
Holly Fern
- Group
- Ferns and horsetails
- Records since 2000
- 146
- Scientific name
- Polystichum lonchitis
Ramularia interstitialis
- Group
- Fungi
- Records since 2000
- 146
- Peak month
- May
Aedes cantans
- Group
- True flies
- Records since 2000
- 145
- Peak month
- May
Cassida vittata
- Group
- Beetles
- Records since 2000
- 145
- Peak month
- May
Chalarus spurius
- Group
- True flies
- Records since 2000
- 145
- Peak month
- May
Ctenophora flaveolata
- Group
- True flies
- Records since 2000
- 145
- Peak month
- May
Dog Lichen
- Group
- Lichens
- Records since 2000
- 145
- Scientific name
- Peltigera polydactylon
Ochthebius marinus
- Group
- Beetles
- Records since 2000
- 145
- Peak month
- May
Surirella roba
- Group
- Seaweeds and algae
- Records since 2000
- 145
- Peak month
- May
Carpelimus rivularis
- Group
- Beetles
- Records since 2000
- 144
- Peak month
- May
Magdalis cerasi
- Group
- Beetles
- Records since 2000
- 144
- Peak month
- May
Moss woolly bear lichen
- Group
- Lichens
- Records since 2000
- 144
- Scientific name
- Polychidium muscicola
Nemorilla floralis
- Group
- True flies
- Records since 2000
- 144
- Peak month
- May
Sweet marjoram
- Group
- Flowering plants
- Records since 2000
- 144
- Scientific name
- Origanum majorana
Amygdalaria lichen
- Group
- Lichens
- Records since 2000
- 143
- Scientific name
- Amygdalaria pelobotryon
Clusiodes gentilis
- Group
- True flies
- Records since 2000
- 143
- Peak month
- May
Sweet spurge
- Group
- Flowering plants
- Records since 2000
- 143
- Scientific name
- Euphorbia dulcis
Urocystis anemones
- Group
- Fungi
- Records since 2000
- 143
- Peak month
- May
A lichen
- Group
- Lichens
- Records since 2000
- 142
- Scientific name
- Rinodina isidioides
Bembidion pallidipenne
- Group
- Beetles
- Records since 2000
- 142
- Peak month
- May
Ceratopogon sociabilis
- Group
- True flies
- Records since 2000
- 142
- Peak month
- May
Chaetoceros sociale
- Group
- Seaweeds and algae
- Records since 2000
- 142
- Peak month
- May
Esymus pusillus
- Group
- Beetles
- Records since 2000
- 142
- Peak month
- May
Phora atra
- Group
- True flies
- Records since 2000
- 142
- Peak month
- May
Puccinia magnusiana
- Group
- Fungi
- Records since 2000
- 142
- Peak month
- May
Ceratopogon nitidulus
- Group
- True flies
- Records since 2000
- 141
- Peak month
- May
Euura myosotidis
- Group
- Bees, wasps and ants
- Records since 2000
- 141
- Peak month
- May
Tenthredo colon
- Group
- Bees, wasps and ants
- Records since 2000
- 141
- Peak month
- May
Acrospermum compressum
- Group
- Fungi
- Records since 2000
- 140
- Peak month
- May
Criorhina asilica
- Group
- True flies
- Records since 2000
- 140
- Peak month
- May
Dicranomyia lutea
- Group
- True flies
- Records since 2000
- 140
- Peak month
- May
Gray-orange disk lichen; Lecidea lichen
- Group
- Lichens
- Records since 2000
- 140
- Scientific name
- Lecidea lapicida
Netted Mountain Moth
- Group
- Butterflies and moths
- Records since 2000
- 140
- Scientific name
- Macaria carbonaria
Peronospora viciae
- Group
- Microorganisms and protists
- Records since 2000
- 140
- Peak month
- May
Perrierella audouiniana
- Group
- Crustaceans
- Records since 2000
- 140
- Peak month
- May
Abrothallus microspermus
- Group
- Fungi
- Records since 2000
- 139
- Peak month
- May
Berytinus minor
- Group
- True bugs
- Records since 2000
- 139
- Peak month
- May
Narrow-leaved Meadow-grass
- Group
- Flowering plants
- Records since 2000
- 139
- Scientific name
- Poa angustifolia
Entoloma clypeatum
- Group
- Fungi
- Records since 2000
- 138
- Peak month
- May
Green Spruce Aphid
- Group
- True bugs
- Records since 2000
- 138
- Scientific name
- Elatobium abietinum
Lady Orchid
- Group
- Flowering plants
- Records since 2000
- 138
- Scientific name
- Orchis purpurea
Pedicia occulta
- Group
- True flies
- Records since 2000
- 138
- Peak month
- May
Philorinum sordidum
- Group
- Beetles
- Records since 2000
- 138
- Peak month
- May
Riccardia incurvata
- Group
- Liverworts
- Records since 2000
- 138
- Peak month
- May
Seligeria donniana
- Group
- Mosses
- Records since 2000
- 138
- Peak month
- May