Canada

Ajuga

Ajuga reptans

Alder

Alnus glutinosa

Alexanders

Angelica atropurpurea

Allegheny Serviceberry

Amelanchier arborea

Common Silver Hairgrass

Aira caryophyllea

All Species in Canada

Chi-o

Oenanthe javanica

Nga-khimon

Perilla frutescens

นกกระจอกบ้าน

Passer montanus

นกกระจอกใหญ่

Passer domesticus

นกกิ้งโครงพันธุ์ยุโรป

Sturnus vulgaris

นกพิราบป่า

Columba livia

11-spot ladybird

Coccinella undecimpunctata

7-Spot Ladybird

Coccinella septempunctata

Aaron'S Rod

Verbascum thapsus

Abele

Populus alba

Absinth Sagewort

Artemisia absinthium

Abutilon-Hemp

Abutilon theophrasti

Accumulating Sedge

Carex cumulata

Acorn Moth

Blastobasis glandulella

Acrid lettuce

Lactuca virosa

Adam'S Needle

Yucca filamentosa

Adder’S-Mouth

Malaxis bayardii

Critically Endangered

Adonis' Ladybird

Hippodamia variegata

adulterated spleenwort

Asplenium adulterinum

Vulnerable

Aegean wallflower

Erysimum cheiri

Afghan-Melon

Citrullus lanatus

African Marigold

Tagetes erecta

African-Spinach

Amaranthus cruentus

Agrimony

Agrimonia gryposepala

Ailanthus

Ailanthus altissima

Akulikuli-Kula

Portulaca oleracea

Alaska Bunchberry

Cornus unalaschkensis

Alaska Clubmoss

Diphasiastrum sitchense

Alaska Larch

Larix laricina

Alaska Large Awn Sedge

Carex macrochaeta

Alaska plantain

Plantago macrocarpa

Alaska spring beauty

Claytonia sarmentosa

Alberta Spruce

Picea glauca

Alder-Leaved Viburnum

Viburnum lantanoides

Alder wooly sawfly

Eriocampa ovata

Alecost

Tanacetum balsamita

Aleppo Avens

Geum aleppicum

Aleppo Grass

Sorghum halepense

Aleutian mugwort

Artemisia tilesii

Alfalfa

Medicago sativa

Alfalfa Butterfly

Colias eurytheme

Alfalfa dodder

Cuscuta approximata

Alga Pondweed

Potamogeton confervoides

Alisma Graminoide

Alisma gramineum

Critically Endangered

Alkali American Aster

Symphyotrichum ciliatum

Alkali-Grass

Anticlea elegans

alkali plantain

Plantago eriopoda

Alkali sandspurry

Spergularia diandra

Alkali swainsonpea

Sphaerophysa salsula

Alkanet

Anchusa officinalis

Allegheny Blackberry

Rubus allegheniensis

Allegheny Serviceberry

Amelanchier laevis

Allegheny Vine

Adlumia fungosa

Allen's Buttercup

Ranunculus allenii

Allheal

Valeriana officinalis

Allspice

Lindera benzoin

alpine arctic-cudweed

Omalotheca supina

Alpine Bartsia

Bartsia alpina

Alpine Bilberry

Vaccinium uliginosum

Extinct

alpine bishop's-cap

Pectiantia pentandra