Sweden

a bat flea

Ischnopsyllus hexactenus

a bird flea

Callopsylla waterstoni

a bird flea

Ceratophyllus rusticus

a bird flea

Frontopsylla laeta

Abraded Camouflage Lichen

Melanelixia subaurifera

Acanthoceras zachariasii

Acanthocorbis apoda

Acanthocorbis haurakiana

Acanthoeca brevipoda

Acanthoeca spectabilis

Acanthoica quattrospina

Acanthonitschkea tristis

Acarospora cervina

Acarospora veronensis

Achlya achlyoides

Achlya americana

Achlya caroliniana

Achlya debaryana

Achlya diffusa

Achlya orion

Achlya prolifera

Achlya proliferoides

Achlya radiosa

Achnanthes acares

Achnanthes hintzii

Achnanthes impexa

Achnanthes laevis

Achnanthes parvula

Achnanthes rupestoides

Achnanthidium affine

Achnanthidium caledonicum

Achnanthidium microcephalum

Achradina pulchra

Achroonema articulatum

Achroonema inaequale

Achroonema simplex

Achroonema splendens

Acrocordia conoidea

Acrospermum graminum

Actidium hysterioides

Actinoptychus splendens

Active gray pine needle aphid

Eulachnus rileyi

Acutetip Cup Lichen

Cladonia acuminata

Adam's Leedle

Yucca gloriosa

Adder's-tongue Spearwort

Ranunculus ophioglossifolius

Adelgid

Pineus cembrae

Adercotryma glomeratum

Adherent Bristle-grass

Setaria adhaerens

Adlafia aquaeductae

Adlafia bryophila

Adlafia parabryophila

Adlafia suchlandtii

African bindweed

Convolvulus sabatius

African couchgrass

Digitaria abyssinica

African dog tick

Haemaphysalis leachi

Agaricus depauperatus

Agaricus lutosus

Agassiz's bloom moss

Schistidium agassizii

Agate Knot-horn

Nyctegretis lineana

Agonimia globulifera