Native Plant
Yenisei River Pondweed

Potamogeton subsibiricus

perennial

forb

Native Plant
Yerba Maricao De Cueva

Gesneria pauciflora

perennial

subshrub

Native Plant
Yolla Bolly Bird’s-foot Trefoil

Lotus yollabolliensis

perennial

forb

Native Plant
Yolla Bolly Biscuitroot

Lomatium ciliolatum

perennial

forb

Native Plant
Yosemite Bog Orchid

Platanthera yosemitensis

perennial

forb

Native Plant
Yosemite Lewisia

Lewisia disepala

perennial

forb

Native Plant
Yosemite Mousetail

Ivesia unguiculata

perennial

forb

Native Plant
Yosemite Onion

Allium yosemitense

perennial

forb

Native Plant
Yosemite Stonecrop

Sedum spathulifolium yosemitense

perennial

forb

Native Plant
Yreka Phlox

Phlox hirsuta

perennial

subshrub

Native Plant
Yucatan Noddingcaps

Triphora rickettii

perennial

forb

Native Plant
Yucca Buckwheat

Eriogonum plumatella

perennial

subshrub

Native Plant
Yukon Aster

Symphyotrichum yukonense

perennial

forb

Native Plant
Yukon Fleabane

Erigeron yukonensis

perennial

forb

Native Plant
Yukon Hawkweed

Hieracium gracile var. yukonense

perennial

forb

Native Plant
Yukon Indian Paintbrush

Castilleja yukonis

perennial

forb

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