United States

Aconite

Aconitum napellus

Critically Endangered

Admiralty Island Meadow Vole (Admiraltiae)

Microtus pennsylvanicus

Agrimony

Agrimonia eupatoria

Ajuga

Ajuga reptans

Alder

Alnus glutinosa

Alder leaf beetle

Agelastica alni

Alder Spittlebug

Aphrophora alni

All Species in United States

Spring Sandwort

Sabulina verna

spring-sedge

Carex caryophyllea

Spring small dung beetle

Melinopterus prodromus

Spring Snowflake

Leucojum vernum

spring speedwell

Veronica verna

Springtail

Folsomia stella

Springtail

Proisotoma minuta

Springtail

Onychiurus folsomi

Springtail

Folsomides parvulus

Springtail

Thalassaphorura encarpata

Springtail

Folsomia candida

Springtail

Sinella curviseta

Springtail

Brachystomella parvula

Springtail

Tomocerus minor

Springtail

Lepidocyrtus pallidus

Springtail

Folsomina onychiurina

Springtail

Pseudosinella octopunctata

Springtail

Isotomiella minor

Springtail

Entomobrya multifasciata

Springtail

Folsomia fimetaria

Springtail

Entomobrya marginata

Springtail

Mesaphorura yosiii

Springtail

Entomobrya albocincta

Springtail

Lepidocyrtus cyaneus

Springtime Darner

Basiaeschna janata

Spring vetch

Vicia lathyroides

spring water-starwort

Callitriche palustris

Springy Turf-Moss

Rhytidiadelphus squarrosus

spruce aphid

Elatobium abietinum

Spruce Budworm

Choristoneura fumiferana

Sprucecone Cap

Strobilurus esculentus

Spruce-Labrador Tea Needle Rust

Chrysomyxa ledicola

Spruce spider mite

Oligonychus ununguis

Spruce Tooth

Phellodon violascens

Spruce Twig Aphid

Mindarus obliquus

Spurge

Homalanthus populneus

Spurgecreeper

Dalechampia scandens

spurge hawk-moth

Hyles euphorbiae

Spurgelaurel

Daphne laureola

spur-necked forklet moss

Dicranella cerviculata

spurred broom moss

Dicranum spurium

spurred threadwort

Cephaloziella elachista

Square-headed wasp

Oxybelus bipunctatus

Square-Leaved Crestwort

Chiloscyphus polyanthos

square-spot rustic

Xestia xanthographa

square-tailed worm

Eiseniella tetraedra

Squarrose knapweed

Centaurea virgata

Squash / Pumpkin

Cucurbita moschata

squat duskysnail

Lyogyrus granum

Squirrel Corn

Dicentra canadensis

squirrel-tail moss

Leucodon sciuroides

Squirting cucumber

Ecballium elaterium

Stable Fly

Stomoxys calcitrans

Staggerweed

Dicentra eximia

Staggerweed

Stachys arvensis

Stag'S-Horn Sumach

Rhus typhina

stairstep moss

Hylocomium splendens

Stalked Orange Peel Fungus

Sowerbyella rhenana

Stalked Puffball-In-Aspic

Calostoma cinnabarinum