41 selected
- Not filled in
- T (Nora Tapper)
- T (Sebastian Tham 1855-1876)
- T (Trebbe (Lemgo) - 1812-1820)
- T-M (Erja Tielinen & Raimo Makkonen)
- T.A. (Theodor C.W. Anderson)
- Tagetes (Vincent Jourdain 1653-1659)
- TD (Juan Torrico y Mesa & Héctor Davelouis)
- Tempel (Antoine du Temple 1780-1789)
- TF (Juan Torrico y Mesa & José Agustín Figueroa)
- TH (Tomas Butron Miranda & Henrique Buenaventura Azorin)
- Three hooks (Derrick Vlemmnck 1558-1586)
- Three Leaves (Matthias Clausen 1629)
- TL (Truels Andersen Lyng 1737-1769)
- TLB (Tytus Liwiusz Boratini 1658-1687)
- TM (Tomás Piñiso y Talamantes & Manuel Carassa Jaramillo)
- Torch (Henri-Auguste Patey, 1896-1930)
- Torch (Netherlands, Y.D.C. Suermondt, 1818-1838)
- Tower (J. M. Le Blond de la Tour 1738-1739)
- Tower (Jacques Mathieu 1739-1752)
- Tower (Jean Baptiste du Four 1664-1674)
- Tower (Le Blond de la Tour 1752-1782)
- Tower (Marc Louis René Marchand de la Tournelle 1717-1737)
- Tower (Nicolas Marchand de la Tournelle 1701-1714)
- Tower (Pierre Guybert 1660-1680)
- Tower (Unknown 1693-1695)
- TP (Thomas Ross, Londen, 1924)
- Tree (Louis Verdet 1722-1728)
- Triangle in circle (Pierre Martin Charles Bourdeau de Castera 1766-1777)
- Trident (Eugène Morel, 1825-1835)
- Triple circle (François Rolland 1729-1735)
- Triple diamond (Pierre Delahaye 1704-1720)
- Triskelion (1979)
- Truncated tree with shoot (Carel Christiaan Novisadi 1758-1776)
- TS (Theodor Stockmar 1805-1818)
- TS (Torsten Swensson 1945-1961)
- Tulip (Darripe, P. L'AN 11-1828)
- Tulip between two points (Pierre-Pascal d'Arripe de Sadiras 1745-1777
- Turnip (Jan Knol 1715-1741)
- Two tulips between two points (Pierre d'Arippe 1759-1777)
- Two tulips on a stem between two points (Pierre d'Arripe de Lannecaude 1780-1793)
- Two tulips upside down between two points (Jean d'Arippe de Cazaux 1777-1779)