Manuel Benito Crespo

Acis fabrei is a bulbous flowering plant in the family Amaryllidaceae, native to France. It has white flowers that appear in late spring after the leaves. Although first collected in 1882, it was not scientifically described until 1990. It is now known from only four populations in the Vaucluse department in south-east France, around Mont Ventoux and the River Nesque. It is considered to be a "threatened species".

Acis nicaeensis, commonly called the winter snowflake, Mentone snowflake and French snowflake, is a species of flowering plant in the family Amaryllidaceae, native to south-eastern France. A small spring flowering bulb with white flowers, it is cultivated as an ornamental plant.

Acis valentina is a species of bulbous flowering plant in the family Amaryllidaceae, native to eastern Spain. Its white flowers appear in autumn. It can be grown as an ornamental bulb, but may need protection from hard frost.

Acis tingitana is a species of flowering plant in the family Amaryllidaceae, native to northern Morocco. Rare in cultivation, it is not fully frost-hardy.

Wimmerella is a genus of flowering plants belonging to the family Campanulaceae. It is also in the Lobelioideae subfamily. It is native to the Cape Provinces and KwaZulu-Natal within South Africa.

Saharanthus is a monotypic genus of flowering plants belonging to the family Plumbaginaceae. The only species is Saharanthus ifniensis. Its native range is Western Sahara.

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Saharanthus is a monotypic genus of flowering plants belonging to the family Plumbaginaceae. The only species is Saharanthus ifniensis. Its native range is Western Sahara.

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Myriolimon is a genus of flowering plants in the plumbago family, Plumbaginaceae. It includes two species native to the western and central Mediterranean Basin, including Algeria, Morocco, Portugal, Spain, Sicily, Tunisia, and former Yugoslavia. Myriolimon diffusum (Pourr.) Lledó, Erben & M.B.Crespo – France, Portugal, and Spain Myriolimon ferulaceum (L.) Lledó, Erben & M.B.Crespo – Algeria, Balearic Islands, France, Morocco, Portugal, Sicily, Spain, Tunisia, and former Yugoslavia

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Ceratolimon is a genus of flowering plants belonging to the family Plumbaginaceae. Its native range is Northwestern Africa, Southern Yemen, and Somaliland. Species: Ceratolimon feei (Girard) M.B.Crespo & Lledó Ceratolimon migiurtinum (Chiov.) M.B.Crespo & Lledó Ceratolimon weygandiorum (Maire & Wilczek) M.B.Crespo & Lledó

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