Asteraceae — Daisy Family
Tetraneuris herbacea Greene
Tetraneuris herbacea Greene
Tetraneuris herbacea, commonly lakeside daisy, is a rare perennial herb restricted to limestone habitats and currently threatened by habitat loss.
Tetraneuris linearifolia (Hook.) Greene
Tetraneuris linearifolia (Hook.) Greene
Tetraneuris linearifolia is a North American annual sunflower-family plant known as fineleaf fournerved daisy.
Tetraneuris scaposa (DC.) Greene
Tetraneuris scaposa (DC.) Greene
Tetraneuris scaposa is a North American sunflower-family perennial herb native to the central/southern US and northern Mexico, used by the Zuni as an eyewash.
Thelesperma filifolium (Hook.) A.Gray
Thelesperma filifolium (Hook.) A.Gray
Thelesperma filifolium, or stiff greenthread, is a drought-resistant North American herb used to make medicinal Native American tea.
Thelesperma megapotamicum (Spreng.) Herter
Thelesperma megapotamicum (Spreng.) Herter
Thelesperma megapotamicum is a perennial herb or subshrub with native populations in the US, Mexico, and South America, used by Native American groups.
Thelesperma simplicifolium (A.Gray) A.Gray
Thelesperma simplicifolium (A.Gray) A.Gray
Thelesperma simplicifolium is a perennial herbaceous flowering plant native to the south-central US and northeastern Mexico.
Thymophylla pentachaeta (DC.) Small
Thymophylla pentachaeta (DC.) Small
Thymophylla pentachaeta is a small Asteraceae perennial or subshrub native to arid regions of the Americas, with four recognized varieties.
Thymophylla tenuiloba (DC.) Small
Thymophylla tenuiloba (DC.) Small
Thymophylla tenuiloba is a heat- and drought-tolerant yellow-flowering annual from Texas and northern Mexico.
Tithonia diversifolia (Hemsl.) A.Gray
Tithonia diversifolia (Hemsl.) A.Gray
Tithonia diversifolia is a Mexican-origin shrub that is invasive and used for fertilizer, medicine, and forage.
Tithonia rotundifolia (Mill.) S.F.Blake
Tithonia rotundifolia (Mill.) S.F.Blake
Tithonia rotundifolia is a sun-loving flowering plant grown ornamentally, used for hedge backgrounds.
Tolpis barbata (L.) Gaertn.
Tolpis barbata (L.) Gaertn.
Tolpis barbata is an Asteraceae flowering plant native to Mediterranean southern Europe, introduced as a weed elsewhere.
Tolpis succulenta (Aiton) Lowe
Tolpis succulenta (Aiton) Lowe
Tolpis succulenta is a perennial flowering plant with a woody base, toothed glabrous leaves, and scattered yellow flowers.
Tonestus lyallii (A.Gray) A.Nelson
Tonestus lyallii (A.Gray) A.Nelson
Tonestus lyallii is a small perennial flowering aster from western North America, known as Lyall's goldenweed or Lyall's serpentweed.
Townsendia grandiflora Nutt.
Townsendia grandiflora Nutt.
Townsendia grandiflora is a small short-lived herb native to the western US, grown in rock gardens with large showy flower heads.
Townsendia hookeri Beaman
Townsendia hookeri Beaman
Townsendia hookeri is a mat-forming North American Rockies native early-spring flowering plant that can be distinguished from similar T. exscapa by specific bract and pappus traits.
Tragopogon dubius Scop.
Tragopogon dubius Scop.
Tragopogon dubius is a widespread yellow-flowered forb, with disputed edibility, native to Eurasia and introduced to North America.
Tragopogon orientalis L.
Tragopogon orientalis L.
Tragopogon orientalis L. is a yellow-flowered Eurasian plant with distinctive enlarged stems under its flower heads.
Tragopogon porrifolius L.
Tragopogon porrifolius L.
Tragopogon porrifolius, or goatsbeard/oyster plant, is an edible cultivated biennial wildflower native to Eurasia and North Africa.
Tragopogon pratensis L.
Tragopogon pratensis L.
Tragopogon pratensis L. is an edible yellow-flowered plant found across Europe and North America with edible roots, stems, buds and leaves.
Trichoptilium incisum (A.Gray) A.Gray
Trichoptilium incisum (A.Gray) A.Gray
Trichoptilium incisum is a small yellow-flowered plant native to the Mojave and Sonoran Deserts of the US and Mexico.
Tridax procumbens L.
Tridax procumbens L.
Tridax procumbens L. is an invasive tropical noxious weed with traditional medicinal uses in India.
Tripleurospermum inodorum (L.) Sch.-Bip
Tripleurospermum inodorum (L.) Sch.-Bip
Tripleurospermum inodorum is a Eurasian annual or short-lived perennial daisy that is widely classified as a noxious invasive weed.
Tripleurospermum maritimum (L.) W.D.J.Koch
Tripleurospermum maritimum (L.) W.D.J.Koch
Tripleurospermum maritimum is a herbaceous seashore plant native to Europe, Greenland, and the Azores.
Tripolium pannonicum (Jacq.) Dobrocz.
Tripolium pannonicum (Jacq.) Dobrocz.
Tripolium pannonicum (sea aster) is a salt-tolerant perennial flowering plant native to Eurasia and northern Africa.
Related Families
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