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Rudbeckia alata

Rudbeckia alata (1781-1793)

Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
Rudbeckia amplexifolia

Rudbeckia amplexifolia (1781-1793)

Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
Ruddy Godetia

Ruddy Godetia (1815-1819)

Sydenham Edwards (English, 1768-1819)
Rue

Rue (1739)

Elizabeth Blackwell (Scottish, 1707–1758)
Rue-leaved whitlon grass

Rue-leaved whitlon grass (1739)

Elizabeth Blackwell (Scottish, 1707–1758)
Ruellia anisophylla

Ruellia anisophylla (1823)

William Jackson Hooker (English, 1785 – 1865)
Ruellia formosa

Ruellia formosa (1818-1824)

Gaetano Savi (Italian, 1769 – 1844)
Ruellia patula

Ruellia patula (1781-1793)

Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
Ruff Gentian. Gentiana calycosa

Ruff Gentian. Gentiana calycosa (1925)

Mary Vaux Walcott (American, 1860-1940)
Rumex glaucus

Rumex glaucus (1781-1793)

Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
Rupture wort

Rupture wort (1739)

Elizabeth Blackwell (Scottish, 1707–1758)
Ruscus angustifolius, fructu summis ramulis innascente. – Lauro Alessandrino – Laurier Alexandrin a feuilles étroites

Ruscus angustifolius, fructu summis ramulis innascente. – Lauro Alessandrino – Laurier Alexandrin a feuilles étroites (1772-1793)

Giorgio Bonelli (Italian, 1742-1782)
Rushy Russelia

Rushy Russelia (1815-1819)

Sydenham Edwards (English, 1768-1819)
Russula adusta, Russula albonigra

Russula adusta, Russula albonigra (1915-1945)

Hans Walty (Swiss, 1868-1948)
Russula alutacea Pers

Russula alutacea Pers (1915-1945)

Hans Walty (Swiss, 1868-1948)
Russula alutacea Pers.

Russula alutacea Pers. (1915-1945)

Hans Walty (Swiss, 1868-1948)
Russula alutacea Persoon

Russula alutacea Persoon (1915-1945)

Hans Walty (Swiss, 1868-1948)
Russula amethystina

Russula amethystina (1915-1945)

Hans Walty (Swiss, 1868-1948)
Russula aurata

Russula aurata (1915-1945)

Hans Walty (Swiss, 1868-1948)
Russula aureginea

Russula aureginea (1915-1945)

Hans Walty (Swiss, 1868-1948)
Russula azurea

Russula azurea (1915-1945)

Hans Walty (Swiss, 1868-1948)
Russula badia

Russula badia (1915-1945)

Hans Walty (Swiss, 1868-1948)
Russula citrina

Russula citrina (1915-1945)

Hans Walty (Swiss, 1868-1948)
Russula citrina Gill.

Russula citrina Gill. (1915-1945)

Hans Walty (Swiss, 1868-1948)
Russula consobrina

Russula consobrina (1915-1945)

Hans Walty (Swiss, 1868-1948)
Russula consobrina var sororia

Russula consobrina var sororia (1915-1945)

Hans Walty (Swiss, 1868-1948)
Russula constans

Russula constans (1915-1945)

Hans Walty (Swiss, 1868-1948)
Russula cyanoxantha (Schaeffer)

Russula cyanoxantha (Schaeffer) (1915-1945)

Hans Walty (Swiss, 1868-1948)
Russula cyanoxantha (Schaeffer).

Russula cyanoxantha (Schaeffer). (1915-1945)

Hans Walty (Swiss, 1868-1948)
Russula decolorans

Russula decolorans (1915-1945)

Hans Walty (Swiss, 1868-1948)