United States

Aconite

Aconitum napellus

Critically Endangered

Admiralty Island Meadow Vole (Admiraltiae)

Microtus pennsylvanicus

Agrimony

Agrimonia eupatoria

Near Threatened

Ajuga

Ajuga reptans

Alder

Alnus glutinosa

Alder leaf beetle

Agelastica alni

Alder Spittlebug

Aphrophora alni

All Species in United States

Blackboard Tree

Alstonia scholaris

Black-Bordered Shingle Lichen

Parmeliella thriptophylla

Critically Endangered

Blackbottle

Protophormia terraenovae

blackbuck

Antilope cervicapra

Black Bulgar

Bulgaria inquinans

Black Bulrush

Scirpus atrovirens

Blackburnian Warbler

Setophaga fusca

Blackbutt eucalyptus

Eucalyptus pilularis

Near Threatened

Black-Capped Chickadee

Poecile atricapillus

Black Carpenter Ant

Camponotus pennsylvanicus

Black carpet beetle

Attagenus unicolor

Black Cherry

Prunus serotina

black cherry aphid

Myzus cerasi

Black Chokeberry

Aronia melanocarpa

Black Cottonwood

Populus nigra

Black Creeper Sedge

Carex praegracilis

Black Crowberry

Empetrum nigrum

Black-crowned Night-Heron

Nycticorax nycticorax

Black cumin

Nigella sativa

Black Currant

Ribes nigrum

Black Cutworm

Agrotis ipsilon

Black cypress-pine

Callitris endlicheri

Black Darter

Sympetrum danae

Blackdisk medick

Medicago orbicularis

Black Dog-Strangling Vine

Vincetoxicum nigrum

Blackedge Bonnet

Mycena pelianthina

Blackedged Shield

Pluteus atromarginatus

Black Elder

Sambucus nigra

Blackened Toadskin Lichen

Lasallia pensylvanica

Blackening Russula

Russula adusta

Blackening Wax-Cap

Hygrocybe conica

Black-Eyed Rosette Lichen

Physcia phaea

Black Eyed Susan

Thunbergia alata

Black-Eyed Susan

Rudbeckia hirta

Black-fiber palm

Arenga pinnata

Black Firefly

Lucidota atra

Black-Foam Lichen

Anzia colpodes

Black-Footed Reindeer Lichen

Cladonia stygia

Blackfoot Polypore

Cerioporus leptocephalus

Black Francolin

Francolinus francolinus

Black fungus beetle

Alphitobius laevigatus

Black garlic

Allium nigrum

Black-Girdle Bulrush

Scirpus atrocinctus

black gloss

Zonitoides nitidus

Black Gooseberry

Ribes lacustre

Black gram

Vigna mungo

Black-grass

Alopecurus myosuroides

Black Guillemot

Cepphus grylle

Blackgum

Nyssa aquatica

Black Gum

Nyssa sylvatica

Black Haw

Viburnum lentago

Black Haw

Viburnum prunifolium

blackheaded fireworm, Holly Tortrix

Rhopobota naevana

Black-headed Grosbeak

Pheucticus melanocephalus

Black-headed Gull

Chroicocephalus ridibundus

Blackhead worm

Aporrectodea longa

Black hellebore

Helleborus niger

Black Hemlock

Tsuga canadensis

Black Henbane

Hyoscyamus niger

Black Holly

Ilex verticillata