Australia

Big-Seed False Flax

Camelina sativa

Big-Sting Nettle

Urtica dioica

Billion-Dollar Grass

Echinochloa frumentacea

Bine

Humulus lupulus

Birdeye speedwell

Veronica persica

Bird'S-Eye Gilia

Gilia tricolor

Bird'S-Eye Pearlwort

Sagina procumbens

Bird'S Foot Trefoil

Lotus corniculatus

Bird Vetch

Vicia cracca

bhutan-cypress

Cupressus torulosa

Bigflower clover

Trifolium michelianum

Big-Leaved Periwinkle

Vinca major

Black Plantain

Plantago lanceolata

Black poui

Jacaranda mimosifolia

black rat

Rattus rattus

blackseed crabgrass

Digitaria ternata

Black-Seed Proso Millet

Panicum miliaceum

Blackspot hornpoppy

Glaucium corniculatum

Biting Stonecrop

Sedum acre

Bittercress

Cardamine hirsuta

Bitter Flax

Linum catharticum

Bitter ginger

Zingiber zerumbet

bitter sneezeweed

Helenium amarum

Black bamboo

Phyllostachys nigra

Bladder Campion

Silene vulgaris

Bleating Tree Frog

Litoria dentata

Blessed milkthistle

Silybum marianum

Blindeyes

Papaver dubium

Blister Buttercup

Ranunculus sceleratus

Blonde Sedge

Carex albula

Blood sage

Salvia coccinea

Bloody geranium

Geranium sanguineum

Black Thistle

Cirsium vulgare

Blackthorn

Prunus spinosa

Black Willow

Salix nigra

Blotched Spurge

Euphorbia maculata

Blue Chamomile

Matricaria chamomilla

Blue Comfrey

Symphytum uplandicum

Blue Corn-lily

Aristea ecklonii

Bluecrown passionflower

Passiflora caerulea

Boar Thistle

Cirsium arvense

Boatlily

Tradescantia spathacea

Bodhi tree

Ficus religiosa

Bog Rush

Juncus effusus

Bohena Beauty

Cenchrus longispinus

Bokhara Clover

Melilotus albus

blue-ginger

Dichorisandra thyrsiflora

Blue hound's tongue

Cynoglossum creticum

Blue Iris

Iris spuria

blue lupine

Lupinus pilosus

Blue Sedge

Carex flacca

blue wiss

Teramnus labialis

Blue woodruff

Asperula arvensis

Borrer's Saltmarsh-Grass

Puccinellia fasciculata

Botrytella micromora

Bottle gourd

Lagenaria siceraria

Bouncing Bet

Saponaria officinalis

Box-elder, Ash-leaved maple

Acer negundo

Brazilian joyweed

Alternanthera brasiliana

Brazilian nightshade

Solanum seaforthianum