United States

Agrimony

Agrimonia eupatoria

Near Threatened

Ajuga

Ajuga reptans

Alder

Alnus glutinosa

Alder leaf beetle

Agelastica alni

Alder Spittlebug

Aphrophora alni

All Species in United States

Cryptic Rosette Lichen

Physciella chloantha

Crystal Brain Fungus

Myxarium nucleatum

Cuban bulrush

Cyperus blepharoleptos

Cuban cockroach

Panchlora nivea

Cuban pink trumpet-tree

Tabebuia pallida

Cuban purslane

Portulaca biloba

Cuban Tree Frog

Osteopilus septentrionalis

Cuban zephyrlily

Zephyranthes rosea

Cuckoo-Bread

Oxalis acetosella

Cuckoo Flower

Cardamine pratensis

Cuckoo-Spit Insect

Philaenus spumarius

Cucumber

Cucumis sativus

Cucumber Cap

Macrocystidia cucumis

Cucumber Magnolia

Magnolia acuminata

Cucumber moth

Diaphania indica

Cucurbit Downy Mildew

Pseudoperonospora cubensis

Cudbear

Ochrolechia tartarea

Cudweed

Artemisia ludoviciana

Cultivated Cress

Lepidium sativum

Cultivated Garlic

Allium sativum

Cultivated Lettuce

Lactuca sativa

Cultivated licorice

Glycyrrhiza glabra

Cultivated radish

Raphanus sativus

Cultivated tobacco

Nicotiana tabacum

Cuman Ragweed

Ambrosia psilostachya

Cumberland Rock Shield

Xanthoparmelia cumberlandia

Cupid's Dart

Catananche caerulea

Cup Lichen

Cladonia peziziformis

Cup Lichen

Cladonia coccifera

Cup Plant

Silphium perfoliatum

Curled Dock

Rumex crispus

curled hook-moss

Palustriella falcata

Curled Hook-Moss

Palustriella commutata

Vulnerable

Curled Notchwort

Sphenolobus saxicola

Curled rose sawfly

Allantus cinctus

Curled Thistle

Carduus crispus

Curlew Sandpiper

Calidris ferruginea

Curly Crisp-Moss

Trichostomum crispulum

Near Threatened

Curly-Cup Gumweed

Grindelia squarrosa

curly heron's-bill moss

Dicranum fuscescens

Curly-Styled Wood Sedge

Carex rosea

Curlytop Knotweed

Persicaria lapathifolia

Curly White Water-Crowfoot

Ranunculus longirostris

Extinct

curly woodlouse

Cylisticus convexus

currant aphid

Cryptomyzus ribis

Currant Borer

Synanthedon tipuliformis

Currant Pug

Eupithecia assimilata

Currant Stem Girdler

Agrilus ribesi

Data Deficient

Curry Milkcap

Lactarius camphoratus

Curtis'S Puffball

Lycoperdon curtisii

curved-beaked beardless moss

Hymenostylium recurvirostrum

Curved sicklegrass

Parapholis incurva

Curved Silk-Moss

Plagiothecium curvifolium

Cushion Baby'S-Breath

Psammophiliella muralis

Cushion Calamint

Clinopodium vulgare

Cushion Pink

Silene acaulis

Cushion Spurge

Euphorbia epithymoides

Cuspidate Earth Moss

Tortula acaulon

Cut-Grass

Leersia oryzoides

Near Threatened

Cut-Leaf Blackberry

Rubus laciniatus