Sweden

Oakes scalewort

Frullania oakesiana

globular spider beetle

Trigonogenius globulus

Oak Jewel Beetle

Agrilus biguttatus

Gibbous minute beetle

Clambus gibbulus

halberd willow

Salix hastata

Oakleaf Cup

Rutstroemia sydowiana

Oak Leaf-roller

Attelabus nitens

Oak-Loving Gymnopus

Gymnopus dryophilus

Hairy Wood-Rush

Luzula pilosa

Oak Mildew

Erysiphe alphitoides

clouded border

Lomaspilis marginata

Oak Nycteoline

Nycteola revayana

Oak Pin

Cudoniella acicularis

Oak Polypore

Buglossoporus quercinus

Oak Processionea

Thaumetopoea processionea

oak-tree pug

Eupithecia dodoneata

Bergamot Mint

Mentha aquatica

oaten pipes hydroid

Tubularia indivisa

Aphid

Tetraneura ulmi

Dwarf Milkwort

Polygala amarella

Hairy Whirligig Beetle

Orectochilus villosus

oblique carpet

Orthonama vittata

hairy violet

Viola hirta

oblique striped

Phibalapteryx virgata

Cloth of gold

Crocus angustifolius

sow thistle aphid

Hyperomyzus lactucae

Hairy Threadwort

Blepharostoma trichophyllum

Obscure cushion star

Pteraster obscurus

obtuse minute risso

Obtusella intersecta

obtuse peat moss

Sphagnum obtusum

obtuse-pointed lantern moss

Cyrtomnium hymenophyllum

oceanic scud

Gammarus oceanicus

Clostridium botulinum

Oceanspray

Holodiscus discolor

Berchtold'S Pondweed

Potamogeton berchtoldii

Ochraceous Wave

Idaea serpentata

Spiny Pill Beetle

Chaetophora spinosa

Pale Liverwort

Chiloscyphus pallescens

Amaurochaete comata

Ochre Bracket

Trametes ochracea

Ochreous Pearl

Anania crocealis

Ochre Club

Clavariadelphus ligula

hairy thorn-apple

Datura wrightii

Hairy Sweep

Canephora hirsuta

Sphecid wasp

Ectemnius cephalotes

Southern pine sawyer

Monochamus titillator

closed-sheathed cottongrass

Eriophorum brachyantherum

Ochreous Argent

Argyresthia praecocella

ochreous pug

Eupithecia indigata

Ochre Scalycap

Pholiota subochracea

hairy stonecrop

Sedum villosum

Ocillate rove beetle

Omalium rivulare

Common Pincushion

Dicranoweisia cirrata

hairy St. John's-wort

Hypericum hirsutum

Olaf's peat moss

Sphagnum olafii

Oldfashioned weigela

Weigela florida

Cloaked Minor

Mesoligia furuncula

old lady

Mormo maura

Old-man-in-the-spring

Senecio vulgaris

Bent-stem Hook-moss

Cratoneuron curvicaule