United States

Aconite

Aconitum napellus

Critically Endangered

Admiralty Island Meadow Vole (Admiraltiae)

Microtus pennsylvanicus

Agrimony

Agrimonia eupatoria

Near Threatened

Ajuga

Ajuga reptans

Endangered

Alder

Alnus glutinosa

Alder leaf beetle

Agelastica alni

Alder Spittlebug

Aphrophora alni

All Species in United States

Sap beetle

Carpophilus mutilatus

Sap beetle

Nitidula carnaria

Sap-feeding beetle

Omosita colon

Sapodilla

Manilkara zapota

Sapromyzid fly

Lauxania cylindricornis

Sap Yeast

Cystofilobasidium macerans

Sarea Lichen

Sarea resinae

Sargent's barberry

Berberis sargentiana

Sasanqua camellia

Camellia sasanqua

Satin flower

Libertia chilensis

Satinleaf

Chrysophyllum oliviforme

Satin Moth

Leucoma salicis

Satiny Willow

Salix pellita

Satyr Pug

Eupithecia satyrata

Savannah Sparrow

Passerculus sandwichensis

Savigny's brittle star

Ophiactis savignyi

Savin

Juniperus sabina

Savory

Satureja montana

Savory

Satureja hortensis

Sawfly

Pristiphora rufipes

Sawfly

Craesus alniastri

Sawfly

Macrophya punctumalbum

Near Threatened

Sawfly

Athalia cornubiae

Sawfly wasp

Aneugmenus padi

Sawtoothed grain beetle

Oryzaephilus surinamensis

Sawtooth oak

Quercus acutissima

Sawtooth Sunflower

Helianthus grosseserratus

saw-wort

Serratula tinctoria

Critically Endangered

Saxifrage pink

Petrorhagia saxifraga

Near Threatened

Say'S Phoebe

Sayornis saya

Scallop Shell

Rheumaptera undulata

Scaly-breasted Munia

Lonchura punctulata

Scaly Chanterelle

Turbinellus floccosus

Scaly Dog-Lichen

Peltigera praetextata

Scaly Fibrecap

Inocybe hystrix

Endangered

Scaly Hawkbit

Hedypnois cretica

Scaly Ink Cap

Coprinopsis variegata

Scaly Knight

Tricholoma vaccinum

Scalyleg mite

Knemidokoptes mutans

Scaly Pepper-Spore Lichen

Rinodina ascociscana

Scaly Sawgill

Neolentinus lepideus

Scaly Shadow Lichen

Phaeophyscia squarrosa

Scaly Shield

Pluteus petasatus

Scaly Stippled Lichen

Endocarpon pusillum

Scaly Tooth

Sarcodon squamosus

Scaly Webcap

Cortinarius pholideus

Scandinavian Small-Reed

Calamagrostis purpurea

Scarab beetle

Labarrus lividus

Scarce Notchwort

Mesoptychia badensis

scarce silver y

Syngrapha interrogationis

Scarlet Bluet

Enallagma pictum

Scarlet Caterpillar Club

Cordyceps militaris

Scarlet Elfcup

Sarcoscypha austriaca

Scarlet geranium

Pelargonium inquinans

Scarlet Hood

Hygrocybe coccinea

scarlet malachite beetle

Malachius aeneus

Endangered

Scarlet Oak

Quercus coccinea

Scarlet passionflower

Passiflora coccinea

Scarlet spiderling

Boerhavia coccinea

Scarlet spiral-ginger

Costus woodsonii