Wilhelm Daniel Joseph Koch

Rhamphospermum nigrum (syns. Mutarda nigra, Brassica nigra, and Sinapis nigra), black mustard, is an annual plant native to cooler regions of North Africa, temperate regions of Europe, and parts of Asia..It is cultivated for its dark-brown-to-black seeds, which are commonly used as a spice.

Lovage ( LUV-ij; Levisticum officinale) is a perennial plant, the sole species in the genus Levisticum in the family Apiaceae, subfamily Apioideae. It is native to Afghanistan and Iran. It has been long cultivated in Europe and the leaves are used as a herb, the roots as a vegetable, and the seeds as a spice, especially in southern European cuisine. Its flavour and smell are reminiscent both of celery and parsley, only more intense and spicier than either. The seeds can be used in the same way as fennel seeds.

Peucedanum ostruthium or Imperatoria ostruthium, masterwort, is a species of flowering plant in the family Apiaceae. It is native to the mountains of Central and Southern Europe, but has been widely introduced outside its native range.

Botrychium matricariifolium (orth.var. B. matricariaefolium) is a species of fern in the Ophioglossaceae family. It is referred to by the common names chamomile grape-fern, daisyleaf grape-fern, and matricary grape-fern. It is native to Europe and parts of eastern North America, including eastern Canada and parts of the United States. This fleshy fern grows up to 30 centimeters tall. It produces dull green sterile leaf blades up to 10 centimeters long by 9 wide divided into a few pairs of segments. The fertile leaves are a bit longer and bear the spores.

Tripleurospermum maritimum is a species of flowering plant in the aster family commonly known as false mayweed or sea mayweed. It is found in many coastal areas of Northern Europe, including Scandinavia and Iceland, often growing in sand or amongst beach pebbles.

Seseli libanotis, also known by the common names moon carrot, mountain stone-parsley, or säfferot, is a species of herb in the genus Seseli of the carrot family, Apiaceae. It is native to Eurasia, throughout which it is widespread.

Potamogeton obtusifolius, known as blunt-leaved pondweed, is an aquatic plant in the genus Potamogeton. It grows mainly in mesotrophic to eutrophic lakes, ponds and ditches, rarely in brackish water. It occurs primarily in Central Europe, the British Isles, Fennoscandia and eastern North America.

Orchis spitzelii is a species of orchid found from Sweden (Gotland), eastern Spain to the Caucasus and western Asia and northwestern Africa. Specifically, it is native to northern Europe (Sweden), central Europe (Austria and possibly extirpated in Germany), southwestern Europe (the Balearic Islands, Corsica, France, and Spain), southeastern Europe (Albania, Bulgaria, Greece, Italy, Crete, and countries of the former Yugoslavia), northern Africa (Algeria and Morocco), western Asia (Iran, Lebanon, Syria, and Turkey), and both the North Caucasus and Transcaucasia.

Helosciadium repens commonly known as creeping marshwort, is a species of plant belonging to the Apiaceae family. It occurs in Western and Central Europe, being rare throughout its range. It grows in wetland areas where it does not have to compete with taller plants due to grazing by animals, periodic flooding during the winter-spring seasons, or mowing. It is considered a species of near-threatened status at the continental level, critically endangered and legally protected in Poland. It is subject to protection within the European Natura 2000 network.

Gladiolus illyricus, the wild gladiolus, is a flowering plant in the family Iridaceae. It is tall gladiolus that grows up to 50 centimeters (20 in) tall found in western and southern Europe, particularly around the Mediterranean region. In Britain a small population is known in the New Forest region; Williamson suggests this population may be introduced. It became a protected species in the UK in 1975 under the Conservation of Wild Creatures and Wild Plants Act.

Aquilegia atrata, the dark columbine, is a perennial species of flowering plant in the family Ranunculaceae, native to the Alps and Apennine Mountains.

Opopanax is a genus of plants in the family Apiaceae.

Coronilla scorpioides, the yellow crownvetch, is a species of annual herb in the family Fabaceae. They have a self-supporting growth form and compound, broad leaves. Individuals can grow to 20 cm tall.

Chenopodium opulifolium, the seaport goosefoot, is a species of annual herb in the family Amaranthaceae (pigweeds). They have a self-supporting growth form. They are associated with freshwater habitat and have simple, broad leaves. Individuals can grow to 67 cm tall.

Ferulago is a genus of flowering plants in the family Apiaceae.

Callitriche hamulata is a species of flowering plant belonging to the family Plantaginaceae.

Lilium carniolicum, commonly called golden apple or Carniolan lily, is a species of flowering plant in the family Liliaceae. It is a lily native to the Balkans, as well as to Austria and northeastern Italy (Veneto + Friuli-Venezia Giulia). The species is named after the historical region of Carniola, comprising parts of modern-day Slovenia, where it is most abundant. Its flowers vary in colour from red to yellow, speckled on the bottom with black dots. The colour can vary even among flowers growing in the same locality. In general, yellow is predominant in the southern part of the range.

Conopodium is a genus of flowering plants belonging to the family Apiaceae. Its native range is north-western Europe and the Mediterranean.

Zizia is a genus of flowering plants in the parsley family, Apiaceae. It was named after Johann Baptist Ziz (1779–1829), a German botanist from the Rhineland. It is native to North America. Like most other plants in the family, these produce compound umbels of flowers. Species include: Zizia aptera (A. Gray) Fernald – heartleaf alexanders, meadowparsnip, meadow zizia Zizia aurea (L.) W.D.J. Koch – golden alexanders, golden zizia Zizia trifoliata (Michx.) Fernald – meadow alexanders

Ptychotis is a genus of flowering plants belonging to the family Apiaceae. Its native range is Southwestern and Southern Central Europe. Species: Ptychotis sardoa Pignatti & Metlesics Ptychotis saxifraga (L.) Loret & Barrandon

Helosciadium is a genus of flowering plants belonging to the family Apiaceae. Its native range is from Europe to Central Asia and Pakistan, Macaronesia to Arabian Peninsula and Tanzania. Helosciadium bermejoi from the island of Menorca is one of the rarest plants in Europe, with fewer than 100 individuals left.

Fumaria muralis, known as common ramping-fumitory or wall fumitory, is a flowering herbaceous plant in the poppy family (Papaveraceae) native to western Europe and northwestern Africa.

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Helosciadium nodiflorum (synonym: Apium nodiflorum), fool's watercress, is a flowering plant found in ditches or streams, as well as fresh and brackish-water wetlands native to western Europe. It is not poisonous to humans but it could be easily confused with the allegedly poisonous lesser water parsnip.

Fritillaria montana is a European species of flowering plant in the lily family Liliaceae, native to southern and eastern Europe: France, Italy, Austria, Hungary, former Yugoslavia (all 7 parts), Albania, Bulgaria, Greece, Romania, Ukraine, European Russia.

Cenolophium is a genus of flowering plants in the carrot family Apiaceae (Umbelliferae). Its only species is Cenolophium denudatum (known as Baltic parsley), native to Europe and Asia. A herbaceous perennial, it grows to 1.5 m (4.9 ft) tall by 0.5 m (1.6 ft) wide, with dark green divided leaves and, in summer, many umbels of tiny pale green or white flowers on branching naked stems (hence the Latin specific name denudatum). The stems are sometimes purple in colour. The flowers are attractive to numerous insects. In cultivation in the UK, this plant has gained the Royal Horticultural Society's

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Opopanax chironium, common name Hercules' all-heal, is a herb of the family Apiaceae.

Molopospermum is a monotypic genus of flowering plants belonging to the family Apiaceae. The single species, Molopospermum peleponnesiacum, Spanish: cuscullo, French couscouil and Rousillonais Catalan coscoll is native to the mountains of Spain, southern France and Italy (notably the Pyrenees and the Alps) and is edible, being used in ways similar to its better-known fellow umbellifers celery and angelica and also believed to have tonic properties.

Festuca drymeja is a species of grass in the family Poaceae. This species is native to Albania, Algeria, Austria, Bulgaria, Czechoslovakia, Greece, Hungary, Iran, Italy, Morocco, North Caucasus, Poland, Romania, Sicilia, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Ukraine, and Yugoslavia. Its perennial and prefers temperate biomes. Festuca drymeja was first described in 1823.