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Hyenanche globosa Lam. or Toxicodendrum capense of globosum (Cape wolvegift)

Hyenanche globosa Lam. or Toxicodendrum capense of globosum (Cape wolvegift) (in or after c. 1780)

Robert Jacob Gordon (Dutch, 1743 – 1795)
Hygrocybe conica Scop, subsp. nigrescens Q.

Hygrocybe conica Scop, subsp. nigrescens Q. (1915-1945)

Hans Walty (Swiss, 1868-1948)
Hygrocybe obrussea Fries.

Hygrocybe obrussea Fries. (1915-1945)

Hans Walty (Swiss, 1868-1948)
Hygrophorus marzuolus Fr.

Hygrophorus marzuolus Fr. (1915-1945)

Hans Walty (Swiss, 1868-1948)
Hygrophorus psittacinus, Hygrophorus caprinus

Hygrophorus psittacinus, Hygrophorus caprinus (1915-1945)

Hans Walty (Swiss, 1868-1948)
Hyosciamus niger … [and] Crocus Sativus

Hyosciamus niger … [and] Crocus Sativus (1797–1810)

Petr Martynovich Gofman (Russian, 19th Century)
Hyoscyanus and Mesereon

Hyoscyanus and Mesereon (1799–1810)

Robert John Thornton (English, 1768-1837)
Hypecoum littorale

Hypecoum littorale (1781-1793)

Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
Hypericum Ascyron – Park leaves; vicinity of Constantinople

Hypericum Ascyron – Park leaves; vicinity of Constantinople (1789)

R. B. F. (English, 18th Century)
Hypericum Connatum

Hypericum Connatum (1824-1828)

Auguste de Saint-Hilaire (French, 1779-1853)
Hypericum Laxiusculum

Hypericum Laxiusculum (1824-1828)

Auguste de Saint-Hilaire (French, 1779-1853)
Hypericum Perforatum ; or Perforated St. John’s Wort

Hypericum Perforatum ; or Perforated St. John’s Wort (1799–1810)

Robert John Thornton (English, 1768-1837)
Hyphaene thebaica

Hyphaene thebaica (1938)

James Marion Shull (American, 1872–1948)
Hypholoma capnoides Fr.

Hypholoma capnoides Fr. (1915-1945)

Hans Walty (Swiss, 1868-1948)
Hypholoma fasciculare Huds. Bolt 1791.

Hypholoma fasciculare Huds. Bolt 1791. (1915-1945)

Hans Walty (Swiss, 1868-1948)
Hypholoma sublateritium Fr.

Hypholoma sublateritium Fr. (1915-1945)

Hans Walty (Swiss, 1868-1948)
Hypochaeris helvetica

Hypochaeris helvetica (1781-1793)

Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
Hypoxis obliqua

Hypoxis obliqua (1781-1793)

Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
Hypoxis plicata

Hypoxis plicata (1781-1793)

Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
Hypoxis serrata

Hypoxis serrata (1781-1793)

Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
Hypoxis sobolifera

Hypoxis sobolifera (1781-1793)

Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
Hypoxis stellata

Hypoxis stellata (1781-1793)

Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
Hypoxis villosa

Hypoxis villosa (1781-1793)

Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
Hyptis capitata

Hyptis capitata (1781-1793)

Nikolaus Joseph Freiherr von Jacquin (Dutch, 1727 – 1817)
Hyptis verticillata

Hyptis verticillata (1781-1793)

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

Hyssop (1739)

Elizabeth Blackwell (Scottish, 1707–1758)
Hyssopus ; … Gentiana Centaurium minus ; … Melilotus

Hyssopus ; … Gentiana Centaurium minus ; … Melilotus (1797–1810)

Petr Martynovich Gofman (Russian, 19th Century)
I think of thee dear love of mine the best of all that’s not divine

I think of thee dear love of mine the best of all that’s not divine (1882)

Louis Prang & Co. (American, 1824 – 1909)
I. Cyclamen Atkinsii. 2.C. Atkinsii Roseum 3.C.Atkinsii Purpureum

I. Cyclamen Atkinsii. 2.C. Atkinsii Roseum 3.C.Atkinsii Purpureum (1872-1881)

Arentina Hendrica Arendsen (Dutch, 1836 - 1915)
Iantha pallidiflora

Iantha pallidiflora (1823)

William Jackson Hooker (English, 1785 – 1865)