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Tetrastigma voinieranum

Tetradymia axillaris

Long-spine horsebrush

Tetramicra canaliculata

Tetradymia spinosa

Tetradymia stenolepis

Tetramolopium filiforme var. polyphyllum

Tetramolopium humile ssp. humile var. sublaeve

Tetramolopium rockii var. calcisabulorum

Verbesina virginica var. virginica

Tetraneuris scaposa var. scaposa

Tetraplodon mnioides var. cavifolius

Tetraplodon mnioides var. urceolatus

Tetrapogon villosum

Tetraneuris acaulis

Stemless actinea

Tetraneuris ivesiana

Ives' fournerved daisy

Tetraneuris linearifolia

Fineleaf fournerved daisy

Hymenoxys grandiflora

Vernicia fordii

Chinese wood-oil-tree

Tetraneuris torreyana

Parnassia fimbriata var. fimbriata