United States

águia-real

Aquila chrysaetos

ajuga

Ajuga reptans

arabidópsis

Arabidopsis thaliana

arara-canindé

Ara ararauna

axenuz

Agrostemma githago

Critically Endangered

bafureira

Ricinus communis

bardana

Arctium lappa

All Species in United States

Spring Harvestman

Rilaena triangularis

Spring Hazelcup

Encoelia furfuracea

Spring Pin

Cudoniella clavus

spring-sedge

Carex caryophyllea

Spring Snowflake

Leucojum vernum

spring speedwell

Veronica verna

Springtime Darner

Basiaeschna janata

Spring vetch

Vicia lathyroides

spring water-starwort

Callitriche palustris

Springy Turf-Moss

Rhytidiadelphus squarrosus

spruce aphid

Elatobium abietinum

spurge hawk-moth

Hyles euphorbiae

spur-necked forklet moss

Dicranella cerviculata

spurred broom moss

Dicranum spurium

spurred threadwort

Cephaloziella elachista

cycad scale

Furchadaspis zamiae

Common Jewelweed

Impatiens capensis

Square-Leaved Crestwort

Chiloscyphus polyanthos

square-tailed worm

Eiseniella tetraedra

squirrel-tail moss

Leucodon sciuroides

Bentgrass

Agrostis castellana

Copepod

Nitokra hibernica

Staph beetle

Proteinus brachypterus

Stable Fly

Stomoxys calcitrans

Field Dog Lichen

Peltigera rufescens

Levant blackneck moth

Tathorhynchus exsiccata

Staph Beetle

Tachyporus chrysomelinus

Stag'S-Horn Sumach

Rhus typhina

stairstep moss

Hylocomium splendens

Stalked Orange Peel Fungus

Sowerbyella rhenana

betel pepper

Piper betle

Staph beetle

Gyrohypnus fracticornis

Big Devil'S Beggartick

Bidens vulgata

Horseflesh mahogany

Lysiloma sabicu

Big Hop Clover

Trifolium campestre

Big-Leaf Sandwort

Moehringia macrophylla

Birch Angle

Macaria notata

Bird Cherry

Prunus pensylvanica

Bird-On-The-Wing

Polygaloides paucifolia

Extinct

Staph beetle

Lathrobium fulvipenne

Shiny spider beetle

Mezium affine

Staph beetle

Phloeonomus pusillus

Staph beetle

Ocypus olens

Staph beetle

Staphylinus caesareus

Staph beetle

Stenus clavicornis

Star Fibrecap

Inocybe asterospora

Mite

Siteroptes cerealium

Maine Snaketail

Ophiogomphus mainensis

Stool iris

Iris aphylla

star leafy moss

Mnium stellare

starlike bristle moss

Orthotrichum stellatum

Critically Endangered

Star magnolia

Magnolia stellata

Star-mustard

Coincya monensis

Star-nosed Mole

Condylura cristata

star-thistle

Centaurea calcitrapa

Extinct

Steppe Fescue

Festuca valesiaca

Extinct

Sticky Clary

Salvia glutinosa

Sticky ragwort

Senecio viscosus

Stiff Brome

Brachypodium distachyon

stiff saltmarsh-grass

Puccinellia rupestris