Plants named in 1764

Pinus mugo, known as dwarf mountain pine, mountain pine, scrub mountain pine, Swiss mountain pine, bog pine, creeping pine, or mugo pine, is a species of conifer, native to high elevation habitats from southwestern to Central Europe and Southeast Europe.

Myosotis arvensis or field forget-me-not is a herbaceous annual to short lived perennial flowering plant in the family Boraginaceae. It is native to Europe, Turkey, the Caucasus, Siberia, the western Himalayas, and northwestern Africa. The plant is annual to perennial, erect, to 40 centimetres (16 in) and patent-hairy (hairs more-or-less at right-angles to the stem). The flowers are grey-blue, 3–5 millimetres (1⁄8–13⁄64 in) across, saucer shaped in profile, the sepal tube with hooked hairs. The mature fruits are dark brown, shiny nutlets. In the British Isles the plant is an archaeophyte,

Scopolia is a genus of four species of flowering plants in the family Solanaceae, native to Europe and Asia. The genus is named after Giovanni Scopoli (1723–88), a Tyrolean naturalist. The genus has a disjunct distribution, with two recognised species in Central to Eastern Europe, (including the Caucasus), and two species in East Asia. The two European species are: Scopolia carniolica Jacq. of Slovenia, Austria and the Carpathian Mountains Scopolia caucasica Kolesn. ex Kreyer of the Caucasus and the two Asiatic species are: Scopolia lutescens Y.N. Lee of Korea Scopolia japonica Maxim. of

Annona mucosa is a species of flowering plant in the custard-apple family, Annonaceae, that is native to tropical South America. It is cultivated for its edible fruits, commonly known as biribá, lemon meringue pie fruit, or wild sugar-apple, throughout the world's tropics and subtropics.

Prunella grandiflora, the large-flowered selfheal, is a species of flowering plant in the family Lamiaceae. It is native to Europe and neighboring parts of West Asia.

Scopolia carniolica, the European scopolia or henbane bell, is a poisonous plant belonging to tribe Hyoscyameae of the nightshade family Solanaceae. It bears dark brownish-violet nodding flowers on long, slender pedicels. It grows to 60 centimetres (24 in) in height. Its toxicity derives from its high levels of tropane alkaloids, particularly atropine. The concentration of atropine is highest in the roots. Scopolia carniolica grows on wet soils in beech forests of Southeastern Europe from lowlands to the mountainous zones, being native to a region stretching from the eastern Alps to the

Roridula (; from Latin roridus "dewy") is a genus of evergreen, insect-trapping shrubs, with two species, of about 1.3–2 m (4.3–6.6 ft). It is the only genus in the family Roridulaceae. It has thin, woody, shyly branching, upright, initially brown, later grey stems, with lance- to awl-shaped leaves crowded at their tips. The star-symmetrical flowers consist from the outside in of five, green or reddish, free sepals, alternating with five white, pink or purple, free petals. Further to the middle and opposite the sepals are five stamens with the anthers initially kinked down. These suddenly

Sesleria caerulea, the blue moor-grass, is a species of perennial grass in the family Poaceae, native to Europe.

Cytinus hypocistis is an ant-pollinated species of obligate parasitic plant in the family Cytinaceae having four subspecies, which is parasitic on Cistus (rock-rose) species. It is found primarily in locations that surround the Mediterranean Sea, and is the type for the genus Cytinus. The binomial has been conserved.

Perilla is a genus consisting of one major Asiatic crop species Perilla frutescens and a few wild species in nature belonging to the mint family, Lamiaceae. The genus encompasses several distinct varieties of Asian herb, seed, and vegetable crop, including P. frutescens (deulkkae) and P. frutescens var. crispa (shiso). The genus name Perilla is also a frequently employed common name ("perilla"), applicable to all varieties. Perilla varieties are cross-fertile and intra-specific hybridization occurs naturally. Some varieties are considered invasive.

Avicennia germinans, the black mangrove, is a shrub or small tree growing up to 12 meters (39 feet) in the acanthus family, Acanthaceae.

Cytinus is a genus of parasitic flowering plants. Species in this genus do not produce chlorophyll, but rely fully on its host plant. Cytinus usually parasitizes Cistus and Halimium, two genera of plants in the family Cistaceae. It has also been found on Ptilostemon chamaepeuce. Several species are found in the Mediterranean Region, South Africa, with a possibly undescribed species from Madagascar.

Sagina apetala is a species of flowering plant in the family Caryophyllaceae known by the common names annual pearlwort and dwarf pearlwort. It is native to Europe and it is known elsewhere as an introduced species, including parts of North America. It grows in many types of disturbed habitat, such as cracks in the sidewalk. It is a petite annual herb producing a threadlike stem just a few centimeters long, spreading or growing erect. The plant is glandular and somewhat hairy. The leaves are linear in shape and not more than about a centimeter long. The inflorescence is a solitary flower

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Schwenckia is a genus of flowering plants in the family Solanaceae, native to Central America and South America, and with one species, S. americana, a widespread weed in Africa. In the title of the generic description Linnaeus wrote "Schwenkia" but gave the binomial of the type species as Schwenckia americana, while quoting Dav. van Royen as the author.

Artemisia alba, called white mugwort, white wormwood, white artemisia, or camphor southernwood, is a species of Artemisia native to Spain, France, Belgium, Italy, Sicily, the Czech Republic, Slovakia, Hungary, Romania, and the Balkans. Its currently unrecognized subtaxon Artemisia alba 'Canescens' has gained the Royal Horticultural Society's Award of Garden Merit.

Forsskaolea is a small genus of 7 species of perennial herbs in the nettle family with non-stinging hairs and dot-like concretions of mineral matter on their green parts. The genus was named in honor of Swedish botanist Peter Forsskål.

Roridula dentata (also called the northern dewstick) is a protocarnivorous plant native to the Western Cape province of South Africa. It can be found only in South Africa, in the hotter and more arid inland mountains of Clanwilliam, Tulbagh and Ceres, and can grow up to more than 150 cm. The leaves are covered with sticky hairs and produce a resin (rather than a mucilage as in most other sticky carnivorous plants), enabling it to catch insects, such as wasps or bees, and very occasionally small birds. It benefits indirectly from catching prey, as several species of Pameridea are unaffected by

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Schwenckia americana is a species of flowering plant in the family Solanaceae. The species is native to South America (Argentina, Paraguay, Brazil, Bolivia, Colombia, Venezuela, the Guyanas), Central America (Panama to Mexico) and the Caribbean (Cuba to Leeward Antilles), as well as being introduced and widespread in Africa. It is an annual or short-living perennial herb, with grooved stems up to 90 cm (35 in) tall erect.

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Grielum is a genus of four accepted species of plants in the family Neuradaceae. They are low-growing annual herbs endemic to dry regions, mainly in Western South Africa and Namibia.

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Melica brasiliana, is a grass species in the family Poaceae that is endemic to Brazil and southern South America.

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Cochliasanthus caracalla is a leguminous flowering plant in the family Fabaceae that originates in tropical South America and Central America. The species is named caracalla, a corruption of the Portuguese caracol, meaning snail.. Thomas Jefferson called this plant "the most beautiful bean in the world". It is the only member of the genus Cochliasanthus and was formerly considered to belong to the genus Vigna. This perennial vine (when grown in a climate without frost) has fragrant flowers said to be reminiscent of hyacinths - with a distinctive curled shape, giving rise to the common names