United States

Agrimony

Agrimonia eupatoria

Ajuga

Ajuga reptans

Endangered

Alder

Alnus glutinosa

Alder leaf beetle

Agelastica alni

Alder Spittlebug

Aphrophora alni

All Species in United States

Narrow-Leaf Goosefoot

Chenopodium leptophyllum

Narrowleaf hawksbeard

Crepis tectorum

Narrowleaf hawkweed

Hieracium umbellatum

Narrowleaf knotweed

Polygonum bellardii

Narrowleaf lupine

Lupinus angustifolius

Narrow-Leaf Mountain-Mint

Pycnanthemum tenuifolium

Narrowleaf plantain lily

Hosta lancifolia

Narrowleaf red ironbark

Eucalyptus crebra

Narrowleaf zinnia

Zinnia angustifolia

Narrow-Leaved Bellflower

Campanula persicifolia

Narrow-Leaved Dogwood

Cornus obliqua

Narrow-Leaved Meadow-Grass

Poa angustifolia

narrow-leaved peat moss

Sphagnum angustifolium

Critically Endangered

Narrow-Leaved Pocket-Moss

Fissidens gracilifolius

Narrow Lichen Case-Bearer

Dahlica triquetrella

Narrow Mushroom-Headed Liverwort

Marchantia quadrata

Narrownecked grain beetle

Omonadus floralis

Narrow-Panicle Rush

Juncus brevicaudatus

Narrow Reedgrass

Calamagrostis stricta

Extinct

Narrow swordfern

Nephrolepis cordifolia

Nashville Warbler

Leiothlypis ruficapilla

Natal orange

Strychnos spinosa

Natal plum

Carissa macrocarpa

Natal rock oyster

Saccostrea cuccullata

Native Scots Pinewood

Pinus sylvestris

Nauseous Brittlegill

Russula nauseosa

Neat feather-moss

Pseudoscleropodium purum

Neat Spikerush

Eleocharis nitida

Necklace Spike Sedge

Carex ormostachya

Necklace veneer moth

Euchromius ocellea

Neckweed

Veronica peregrina

Needle blight

Dothistroma septosporum

Needle blight

Pseudocercospora thujina

Needle Bonnet

Mycena clavicularis

Needlecast fungus

Stigmina deflectens

Needle Rust

Chrysomyxa ledi

Nees pellia

Pellia neesiana

Endangered

Nees pouchwort

Calypogeia neesiana

Nelson'S Sharp-Tailed Sparrow

Ammospiza nelsoni

Nepal alder

Alnus nepalensis

Nepal Knotweed

Persicaria nepalensis

nerved Leske's moss

Pseudoleskeella nervosa

Net-Leaved Willow

Salix reticulata

Netted Crust

Byssomerulius corium

Netted Fieldcap

Bolbitius reticulatus

Nettle Clustercup Rust Fungus

Puccinia urticata

Nettle-leaf mullein

Verbascum chaixii

Nettleleaf velvetberry

Stachytarpheta urticifolia

Neverdie

Kalanchoe crenata

New England Bluet

Enallagma laterale

New England Blue Violet

Viola novae-angliae

New England Ragwort

Packera schweinitziana

New England Rose

Rosa nitida

New England Sedge

Carex novae-angliae

Newfoundland Floater

Pyganodon fragilis

New Garden Bumblebee

Bombus hypnorum

Newstead scale

Lepidosaphes newsteadi

Newstead's felt scale

Eriococcus insignis

New Zealand bur

Acaena novae-zelandiae

New Zealand burr

Acaena magellanica