Portugal

Aulacoseira ambigua

Aulacoseira granulata

aurochs

Bos taurus

Arthonia punctiformis

Arthonia stellaris

Arthrorhaphis citrinella

Ascocoryne cylichnium

Ascodesmis nigricans

Ash whitefly

Siphoninus phillyreae

Ash whitefly parasitoid

Encarsia inaron

Asparagus fern

Asparagus densiflorus

Asparagus Rust

Puccinia asparagi

Asterionella formosa

Asian Clam

Corbicula fluminalis

Asian date mussel

Arcuatula senhousia

Asian kelp

Undaria pinnatifida

Asian Pony'S-Foot

Dichondra micrantha

Asian Tiger Mosquito

Aedes albopictus

Aspergillus glaucus

Asterisk Lichen

Arthonia radiata

Asteromyia Gall Midge Fungus

Botryosphaeria dothidea

Bencomia

Bencomia caudata

Bengal trumpet

Thunbergia grandiflora

bermuda cedar scale

Carulaspis minima

Big Smoky Bracket

Bjerkandera fumosa

Biocular Leech

Helobdella stagnalis

Birch Mazegill

Lenzites betulinus

Birdbill Dayflower

Commelina diffusa

Bird Nest Moth

Monopis crocicapitella

Bishop Pine

Pinus muricata

Biatoropsis usnearum

Bigflower clover

Trifolium michelianum

Black poui

Jacaranda mimosifolia

Black scavenger fly

Sepsis biflexuosa

black Sea jellyfish

Blackfordia virginica

Black Shields

Tephromela atra

Black soldier fly

Hermetia illucens

Blackspot hornpoppy

Glaucium corniculatum

Black Stem Rust

Puccinia graminis

Black Stone Flower

Parmotrema perlatum

Bitter Waxcap

Hygrocybe mucronella

Bladderseed

Physospermum cornubiense

Bleeding Broadleaf Crust

Stereum rugosum

Bleeding Conifer Crust

Stereum sanguinolentum

Bleeding Fairy Helmet

Mycena haematopus

Bleeding Oak Crust

Stereum gausapatum

Blewit

Lepista nuda

Blistered Cup

Peziza vesiculosa

Blistered Jelly Lichen

Collema nigrescens

Blistered Jellyskin Lichen

Leptogium corticola

Blistered Toadskin Lichen

Lasallia pustulata

blood worm

Lumbricus rubellus

Bloody-Heart Lichen

Mycoblastus sanguinarius

Black Stubble Lichen

Calicium abietinum

Blackthorn Rust

Tranzschelia pruni-spinosae

Black-tufted Moss

Glyphomitrium daviesii

Black Vine Weevil

Otiorhynchus sulcatus

Bluebell creeper

Billardiera heterophylla

Blue Bottle Fly

Calliphora vomitoria

Blue Corky Spine Fungus

Hydnellum caeruleum