Jakob Friedrich Ehrhart

German biologist (1742-1795).

Jakob Friedrich Ehrhart (4 November 1742, Holderbank, Aargau – 26 June 1795) was a German botanist, a pupil of Carl Linnaeus at Uppsala University, and later director of the Botanical Garden of Hannover, where he produced several major botanical works between 1780 and 1793. Ehrhart was the first author to use the rank of subspecies in botanical literature, and he published many subspecific names between 1780 and 1789. Ehrhart issued several exsiccatae, the first one Phytophylacium Ehrhartianum, continens plantas, quas in locis earum natalibus collegit et exsiccavit Fridericus Ehrhart (1780-178

Abbreviations: Ehrh.
Occupations: scientific collector, pteridologist, pharmacist, mycologist, bryologist, botanist, botanical collector
Citizenships: Switzerland
Languages: Latin, German
Dates: 1742-11-04T00:00:00Z – 1795-06-26T00:00:00Z
Birth place: Holderbank
Direct attributions: 46 plants, 0 fungi
Authorship mentions: 93 plants, 17 fungi

17 fungi contributed to17 fungi:

Thelephora terrestris (Earth-fan) Ehrh. ex Fr. 1821
fungi species in the thelephoraceae family
Thelephora terrestris, commonly known as the common fiber vase or earthfan fungus is an inedible species of fungus in the Basidiomycota phylum.
Physcia aipolia (Hoary Rosette Lichen) (Ehrh. ex Humb.) Fürnr. 1839
fungi species in the physciaceae family
Physcia aipolia, commonly known as the Hoary rosette lichen, is a lichen species of fungus in the genus Physcia, and family Lecanoromycetes. Physcia aipolia is a species of lichen in the family Physciaceae. It has a worldwide distribution.Physcia aipolia is a known host species to the lichenicolous fungus species Muellerella lichenicola. It is characterized by the pale blue to gray thallus with many apothecia. Physcia aipolia is a common, widely distributed species, and can be found growing on a variety of trees and branches.
Xanthoparmelia conspersa (Peppered Rock Shield) (Ehrh. ex Ach.) Hale 1974
fungi species in the parmeliaceae family
Xanthoparmelia conspersa, commonly known as the peppered rock-shield, is a foliose lichen and the type species of genus Xanthoparmelia. It is widely distributed in temperate zones, and has been recorded from Japan, Europe, Africa, North America, and South America.
Lecanactis abietina (Old-wood Lichen) (Ehrh. ex Ach.) Körb. 1855
fungi species in the roccellaceae family
Lecanactis abietina, the old-wood lichen, is a species of leprose lichen in the family Roccellaceae. It forms a thin, mauve-grey to whitish-grey crust on the bark of both deciduous and coniferous trees, typically in shaded, humid habitats, and is regarded as characteristic of old-growth forests in cool temperate regions. The species is widespread in northern and central Europe and also occurs in North America, Australasia, and Papua New Guinea. Its nomenclatural history played a central role in the conservation of the genus Lecanactis, for which it serves as the type species.
Cetraria sepincola (Cetraria Saepincola) (Ehrh.) Ach. 1803
fungi species in the parmeliaceae family
Cetraria sepincola, the chestnut wrinkle-lichen, is a species of foliose lichen in the family Parmeliaceae. It forms compact, cushion-like colonies typically 0.5–2 cm (1⁄4–3⁄4 in) high, with a yellowish-green to dark brown upper surface and lighter underside. The species has a primarily circumboreal distribution and is widespread in northern regions, occurring from Alaska to northern California in North America and documented as far south as Argentina. While mainly found growing on woody species like Betula, Sorbus, Salix, and Alnus in bog environments and open areas, it can occasionally be
Cladonia turgida (Crazy Scale Lichen) Ehrh. ex Hoffm. 1796
fungi species in the cladoniaceae family
Cladonia turgida or the crazy-scale cup lichen is a species of cup lichen in the family Cladoniaceae. Cladonia turgida contains atranorin and fumarprotocetraric acid with the latter compound sometimes in low quantities.
Thamnolia subuliformis (Whiteworm Lichen) (Ehrh.) W.L. Culb. 1963
fungi species in the icmadophilaceae family
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Lecanographa amylacea (Ehrh. ex Pers.) Egea & Torrente 1994
fungi species in the lecanographaceae family
Lecanographa amylacea is a species of lichen belonging to the family Lecanographaceae. It is native to Europe and Northern America.
Coniochaeta pulveracea (Ehrh. ex Pers.) Munk 1948
fungi species in the coniochaetaceae family
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Peroneutypa corniculata (Ehrh. ex Pers.) Berl. 1902
fungi species in the diatrypaceae family
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Linospora saligna (Ehrh. ex Pers.) Traverso 1906
fungi species in the gnomoniaceae family
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Cladonia symphycarpa (Split-peg Lichen) (Ehrh. ex Schrad.) Fr. 1826
fungi species in the cladoniaceae family
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Pycnothelia papillaria f. papillaria (Ehrh.) L.M. Dufour 1895
fungi form in the cladoniaceae family
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Diatrypella verruciformis (Ehrh. ex Pers.) Nitschke 1867
fungi species in the diatrypaceae family
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Verrucaria amylacea (Ehrh. ex Pers.) Hoffm. 1796
fungi species
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Schaereria abietinum (Ehrh.) A. Massal.
fungi species in the schaereriaceae family
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Psora haematomma (Ehrh.) Fürnr. 1839
fungi species in the psoraceae family
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