Belgium

Orange Tooth

Hydnellum aurantiacum

Staph beetle

Tachinus subterraneus

French Lavender

Lavandula dentata

orange underwing

Archiearis parthenias

orange upperwing

Jodia croceago

Orange wattle

Acacia saligna

Orange Waxcap

Hygrocybe aurantiosplendens

Oregano

Origanum vulgare

Oregon Ash

Fraxinus latifolia

Oregon checker-mallow

Sidalcea oregana

Oregon grape

Mahonia aquifolium

Oriental arborvitae

Platycladus orientalis

Oriental firebelly toad

Bombina orientalis

Silver-Green Leaf Weevil

Phyllobius argentatus

maiden’s blush

Cyclophora punctaria

Fleabane case-bearer

Coleophora inulae

Oriental Plane-tree

Platanus orientalis

Oriental poppy

Papaver orientale

Long-legged fly

Dolichopus plumitarsis

Lesser Smoothcap

Atrichum angustatum

Norwegian Wasp

Dolichovespula norwegica

Bristlelike Quillwort

Isoetes echinospora

lesser slippery moss snail

Cochlicopa lubricella

lesser skullcap

Scutellaria minor

crimson speckled

Utetheisa pulchella

Lesser Siren

Siren intermedia

lesser silver water beetle

Hydrochara caraboides

Chrysanthemum White Rust

Puccinia horiana

cotton grass

Digitaria brownii

cup grass

Eriochloa crebra

Ebony Cup

Pseudoplectania nigrella

pitted-bluegrass

Bothriochloa decipiens

Ornamental Orbweaver

Larinioides patagiatus

Ornamental Rhubarb

Rheum palmatum

three-awn grass

Stipagrostis pungens

Ornamented Mushroom

Agaricus comtulus

winged windmill grass

Oxychloris scariosa

Orobus-seed Liverwort

Targionia hypophylla

Orpin D'Espagne

Sedum hispanicum

Cottonwool Gall

Andricus quercusramuli

Orpin Sarmenteux

Sedum sarmentosum

doubletoothed hydroid

Obelia bidentata

Osage-orange

Maclura pomifera

Osier

Salix viminalis

Spoon-leaved Cudweed

Stuartina muelleri

Low starbur

Acanthospermum humile

Osoberry

Oemleria cerasiformis

European beachgrass

Calamagrostis arenaria

Willow Gloves

Hypocreopsis lichenoides

Roughened Pinkgill

Entoloma asprellum

Chaetomium elatum

Ottawa Barberry

Berberis ottawensis

Poplar Bells

Schizophyllum amplum

Snowy Inkcap

Coprinopsis nivea

Mint Mildew

Neoerysiphe galeopsidis

Mint Rust

Puccinia menthae

Rust fungus

Puccinia brachypodii

Holly Speckle

Trochila ilicina

Wrinkled Webcap

Cortinarius livido-ochraceus

Bristle Dock

Rumex maritimus