Albrecht Wilhelm Roth

German botanist (1757-1834).

Albrecht Wilhelm Roth (6 January 1757 – 16 October 1834) was a medical doctor and botanist born in Dötlingen, Germany. He studied medicine at the Universities of Halle and Erlangen, where he received his doctorate in 1778. After graduation, he practiced medicine in Dötlingen, and shortly afterwards relocated to Bremen-Vegesack. From 1785 to 1787 he issued an exsiccata under the title Herbarium vivum plantarum officinalium nebst einer Anweisung Pflanzen zum medizinischen Gebrauche zu sammeln. Roth is remembered for his influential scientific publications, particularly in the field of botany. Hi

Abbreviations: Roth
Occupations: physician, botanist, botanical collector, biologist
Citizenships: Grand Duchy of Oldenburg
Languages: German
Dates: 1757-01-06T00:00:00Z – 1834-10-16T00:00:00Z
Birth place: Dötlingen
Direct attributions: 156 plants, 1 fungus
Authorship mentions: 240 plants, 8 fungi

156 plants attributed, 84 plants contributed to240 plants:

Betula pendula (Silver Birch) Roth 1788
medicinal plant species in the betulaceae family
Betula pendula, commonly known as silver birch, warty birch, European white birch, or East Asian white birch, is a species of tree in the family Betulaceae, native to Europe and parts of Asia, though in southern Europe, it is only found at higher altitudes. Its range extends into Siberia, China, and southwest Asia in the mountains of northern Turkey, the Caucasus, and northern Iran. It has been introduced into North America, where it is known as the European white birch or weeping birch and is considered invasive in some states in the United States and parts of Canada. The silver birch is a
Vicia villosa (Hairy Vetch) Roth 1793
annual, perennial, and medicinal plant species in the fabaceae family
Vicia villosa, known as the hairy vetch, fodder vetch or winter vetch, is a plant native to some of Europe and western Asia. It is a legume, grown as a forage crop, fodder crop, cover crop, and green manure. Although non-native, it occurs in all US states and is considered invasive by some states, such as Alaska, Florida, Georgia, Kansas, Michigan, Minnesota, Nebraska, Oregon, and Washington state — as well as in Japan and some parts of Europe where it is not native. It is also found in most Canadian provinces. Hairy vetch is very similar to tufted vetch (Vicia cracca), the most noticeable
Ipomoea purpurea (Common Morningglory) (L.) Roth 1787
annual and medicinal plant species in the convolvulaceae family
Ipomoea purpurea, the common morning-glory, tall morning-glory, or purple morning glory, is a species in the genus Ipomoea. It is native to Mexico and Central America, and is naturalized throughout warm temperate and subtropical regions of the world.
Athyrium filixfemina (Ladyfern) (L.) Roth 1799
perennial plant species in the athyriaceae family
Athyrium filix-femina, the lady fern or common lady-fern, is a large, feathery species of fern native to temperate Asia, Europe, North America, and North Africa. It is often abundant (one of the more common ferns) in damp, shady woodland environments and is often grown for decoration. Its common names "lady fern" and "female fern" refer to how its reproductive structures (sori) are concealed in an inconspicuous – deemed "female" – manner on the frond. Alternatively, it is said to be feminine because of its elegant and graceful appearance.
Calamagrostis epigejos (Bushgrass) (L.) Roth 1788
perennial plant species in the poaceae family
Calamagrostis epigejos, common names wood small-reed or bushgrass, is a species of grass in the family Poaceae which is native to Eurasia and Africa. It is found from average moisture locales to salt marsh and wet habitats.
Agrostis gigantea (Redtop) Roth 1788
perennial plant species in the poaceae family
Agrostis gigantea is a perennial flowering plant in the grass family Poaceae, known by the common names black bent and redtop. It is native to Europe, but in the cooler areas of North America was widely used as a pasture grass until the 1940s. Although it has largely been replaced by soybeans and more palatable grasses, it still gets some use in poor soils. It was one of the grasses planted in areas disturbed by the Trans-Alaska Pipeline. It generally does well in response to fires, with the survival of rhizomes and seeds. It can be found in open woodland, rough grassland, hedgerows,
Ipomoea nil (Japanese Morning-glory) (L.) Roth 1797
annual and medicinal plant species in the convolvulaceae family
Ipomoea nil is a species of Ipomoea morning glory known by several common names, including picotee morning glory, ivy morning glory, ivy-leaf morning glory, and Japanese morning glory (although it is not native to Japan). It is native to the tropical Americas, and has been introduced widely across the world.
Athyrium (Lady Fern) Roth 1799
plant genus in the athyriaceae family
Athyrium (lady-fern) is a genus of about 180 species of terrestrial ferns, with a cosmopolitan distribution. It is placed in the family Athyriaceae, in the order Polypodiales. Its genus name is from Greek a- ('without') and Latinized Greek thyreos ('shield'), describing its inconspicuous indusium (sorus' covering). The common name "lady fern" refers in particular to the common lady fern, Athyrium filix-femina. Athyrium species are used as food plants by the larvae of some Lepidoptera species including the small angle shades and Sthenopis auratus.
Polystichum (Holly Fern) Roth 1799
plant genus in the dryopteridaceae family
Polystichum is a genus of ferns in the family Dryopteridaceae, subfamily Dryopteridoideae, according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I). The genus has about 500 species and has a cosmopolitan distribution. The highest diversity is in eastern Asia, with about 208 species in China alone; the region from Mexico to Brazil has at least 100 additional species; Africa (at least 17 species), North America (at least 18 species), and Europe (at least 5 species) have much lower diversity. Polystichum species are terrestrial or rock-dwelling ferns of warm-temperate and
Polystichum aculeatum (Hard Shield-fern) (L.) Roth 1799
perennial plant species in the dryopteridaceae family
Polystichum aculeatum, the hard shield-fern, is an evergreen fern native to Europe. It is most abundant in upland regions of the British Isles and western France, where it benefits from the combination of mild winters and moist summers, but also occurs more locally across most of Europe except northern Scandinavia, northern Russia; in the Mediterranean region it is confined to high altitudes. It grows on steep slopes in woodlands. it is sometimes considered an indicator of the presence of ancient woodlands.
Silene baccifera (Berry Catchfly) Roth 1782
perennial and medicinal plant species in the caryophyllaceae family
Silene baccifera is a plant species of the genus Silene of the family Caryophyllaceae. It is native to Europe, but is also widespread in temperate regions of Asia and North Africa.
Calamagrostis canescens (Purple Smallreed) (Weber) Roth 1789
perennial plant species in the poaceae family
Calamagrostis canescens, known as purple small-reed, is a species of grass in the family Poaceae, native to Europe and western Siberia.
Vicia tenuifolia (Fine-leaved Vetch) Roth 1788
annual and perennial plant species in the fabaceae family
Vicia tenuifolia, the fine-leaved vetch, cow vetch, fodder vetch or bramble vetch, is a herbaceous perennial plant species in the family Fabaceae. This species is widespread in Europe and some parts of both Asia and Africa. In some other areas it occurs as an introduced species. In a few countries this edible vetch is used as food for both humans and farm animals.
Polystichum lonchitis (Holly Fern) (L.) Roth 1799
perennial plant species in the dryopteridaceae family
Polystichum lonchitis is a species of fern known by the common name northern hollyfern, or simply holly-fern. It is native to much of the Northern Hemisphere from Eurasia to Alaska to Greenland and south into mountainous central North America. It has stiff, glossy green, erect fronds and grows in moist, shady, rocky mountain habitats.
Calamagrostis arundinacea (Metskastik) (L.) Roth 1788
perennial plant species in the poaceae family
Calamagrostis arundinacea is a species of bunch grass in the family Poaceae, native to Eurasia, China and India. Under its synonym Calamagrostis brachytricha it has gained the Royal Horticultural Society's Award of Garden Merit.
Radiola linoides (Allseed) Roth 1788
annual plant species in the linaceae family
Radiola linoides is the sole species in the Radiola genus, a monotypic genus of flowering plants belonging to the family Linaceae. It has the common names of 'allseed' and 'flaxseed'. It has a very short stem which is repeatedly subdivided, with a pair of very small leaves and a single white flower at each fork and at the end of the branches. It has leaves which are opposite arranged, oval (in shape) and sessile.
Wahlenbergia (Capebells) Schrad. ex Roth 1821
plant genus in the campanulaceae family
Wahlenbergia is a genus of around 260 species of flowering plants in the family Campanulaceae. Plants in this genus are perennial or annual herbs with simple leaves and blue to purple bell-shaped flowers, usually with five petals lobes. Species of Wahlenbergia are native to environments on all continents except North America, and on some isolated islands, but the greatest diversity occurs in the Southern Hemisphere.
Mertensia (Bluebells) Roth 1797
plant genus in the boraginaceae family
Mertensia is a genus of flowering plants in the borage family Boraginaceae. They are perennial herbaceous plants with blue or sometimes white flowers that open from pink-tinged buds. Such a change in flower color is common in Boraginaceae and is caused by changes in soil pH. Mertensia is one of several plants that are commonly called "bluebell". In spite of their common name, the flowers are usually salverform (trumpet-shaped) rather than campanulate (bell-shaped). Mertensia is native to most of North America and to a large part of Asia from western China to northeastern Russia. Its center of
Eriophorum gracile (Slender Cotton-grass) Roth 1799
perennial plant species in the cyperaceae family
Eriophorum gracile is a species of flowering plant in the sedge family, Cyperaceae. It is known by the common name slender cottongrass, or slender cottonsedge. Eriophorum gracile is a plant with circumboreal distribution, extending south into mountain ranges of the Northern Hemisphere. It grows in wet areas such as bogs. Eriophorum gracile is a thin, tall perennial herb with a slender, rounded, solid, mostly naked stem reaching 30 to 60 centimeters in height. It produces a fluffy inflorescence atop its stem with a wispy, cottony white flower. The plants grow in colonies, often spreading
Silene uniflora (Sea Campion) Roth 1794
perennial plant species in the caryophyllaceae family
Silene uniflora is a species of flowering plant in the carnation family known by the common name sea campion.
Bromus diandrus (Ripgut Brome) Roth 1787
annual plant species in the poaceae family
Bromus diandrus is a species of grass known by the common names great brome and "ripgut brome".
Ulex minor (Dwarf Gorse) Roth 1797
plant species in the fabaceae family
Ulex minor, the dwarf furze or dwarf gorse is an evergreen dwarf shrub in the family Fabaceae, native to eastern England, France, Spain and Portugal. It is restricted to lowland heathland habitats. It normally grows about 30 centimetres (10 in) tall, although in shaded, ungrazed conditions it may reach 1 metre (40 in). It is a low-growing shrub, forming small bushes or often growing mingled with heather. The leaves are limited to scales or small spines, and the shoots are modified into rather soft, green, densely crowded spines, about 1 cm (0.4 in) long. The flowers are yellow, 1–2 cm
Panicum sumatrense (Barefoot Panicgrass) Roth 1817
annual plant species in the poaceae family
Panicum sumatrense, known as little millet, is a species of millet in the family Poaceae.
Trentepohlia Roth 1800
plant genus in the trentepohliaceae family
Trentepohlia is a genus of filamentous chlorophyte green algae in the family Trentepohliaceae, living free on terrestrial supports such as tree trunks and wet rocks or symbiotically in lichens. The filaments of Trentepohlia often have a strong orange colour (photograph at right) caused by the presence of large quantities of carotenoid pigments which mask the green of the chlorophyll.
Allium cernuum (Nodding Onion) Roth 1798
plant species in the amaryllidaceae family
Allium cernuum, known as nodding onion or lady's leek, is a perennial plant in the genus Allium. It grows in open areas in North America.
Aegilops geniculata (Ovate Goatgrass) Roth 1787
annual plant species in the poaceae family
Aegilops geniculata is a species of grass known by the common name ovate goatgrass. It is native to the Mediterranean and western Asia, including Palestine and the Levant. Elsewhere it is known as a noxious weed.
Tulipa suaveolens (Duc Van Thol-tulip) Roth 1794
plant species in the liliaceae family
Tulipa suaveolens, synonym Tulipa schrenkii, the van Thol tulip or Schrenck's tulip, is a bulbous herbaceous perennial of species of tulip (Tulipa) in the family Liliaceae. It belongs to section Tulipa. It is the probable wild ancestor of the garden tulip (Tulipa gesneriana).
Reichardia (Brighteyes) Roth 1787
plant genus in the asteraceae family
Reichardia is a genus of plants in the tribe Cichorieae within the family Asteraceae native to the Mediterranean and western Asia. In Crete, Greece the leaves and tender shoots of a variety of Reichardia picroides called galatsida (γαλατσίδα) are eaten raw, boiled, cooked in steam or browned with olive oil by the locals. Brighteyes is a common name for plants in this genus. Species
Ledebouria Roth 1821
plant genus in the asparagaceae family
Ledebouria is a genus of African bulbous perennial herbs in the Asparagus family, Asparagaceae, subfamily Scilloideae. Most members were previously part of the genus Scilla. A number of species are grown by cacti and succulent enthusiasts for their patterned leaves. Most of the species are native to Madagascar and Africa (except North Africa), but a few are from India, Sri Lanka or the Arabian Peninsula. The genus name of Ledebouria is in honour of Carl Friedrich von Ledebour (1786–1851), a German-Estonian botanist. It was first described and published in Nov. Pl. Sp. on page 194 in 1821.
Rohdea japonica (Japanese Sacred Lily) (Thunb.) Roth 1821
edible, perennial, and medicinal plant species in the asparagaceae family
Rohdea japonica is a species of plant native to Japan, China and Korea. Common names include Nippon lily, sacred lily, and Japanese sacred lily. It is a rhizomatous herbaceous perennial plant, with fibrous roots. The leaves are evergreen, broad lanceolate, 15–50 cm long and 2.5–7 cm broad, with an acute apex. The flowers are produced in a short, stout, dense spike 3–4 cm long, each flower pale yellowish, 4–5 mm long. This is a rare instance of pollination by snails. The fruit is a red berry 8 mm diameter, produced in a tight cluster of several together.
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