Wilhelm Friedrich von Karwinsky

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Agave atrovirens, called maguey verde grande is a species of Agave (family Agavaceae) native to Oaxaca, Puebla and Veracruz states in Mexico. It is one of the largest of all the Agaves, approached in size only by Agave missionum, and occasionally reaching a weight of 2 t (2.0 long tons; 2.2 short tons). Each succulent leaf can be up to 4.5 m (15 ft) long and weigh 45 kg (99 lb) apiece. In the nominate variety A. a. var. atrovirens these leaves can also be up to 40 cm (16 in) wide. As in other Agaves the leaves form a rosette, from the center of which, after many years, a panicle of flowers

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Euphorbia fulgens, the scarlet plume, is a species of flowering plant in the spurge family Euphorbiaceae, native to Mexico. Growing to 1.5 m (4.9 ft) tall by 1 m (3.3 ft) broad, it is a deciduous shrub with long, weeping branches and narrow leaves. In winter orange-red flowers growing in the leaf axils cover the length of the branches. The Latin specific epithet fulgens means "shining, glistening". It is not hardy, requiring temperatures above 10 °C (50 °F). It must therefore be grown under glass in temperate regions. It has gained the Royal Horticultural Society's Award of Garden Merit.

Deamia testudo is a species of flowering plant in the family Cactaceae, native from southern Mexico through Central America to Nicaragua. It was first described in 1838. It is a climber or clamberer, with long stems and large white flowers.

Dasylirion serratifolium, or the sandpaper sotol, is a plant species in the family Asparagaceae, native to the Mexican states of Hidalgo and Oaxaca. It is often in cultivation as an ornamental in other places, including in Europe.

Copiapoa coquimbana is a species of clump-forming cactus native to South America. The plant bears 3 cm (1.2 in) long yellow flowers in summer, and grows up to 60 cm (2 ft) high and 1 m (3 ft) across. The species is named after the city of Coquimbo in Chile. Variations include C. coquimbana var. wagenknechtii, C. coquimbana var. vallenarensis, and C. coquimbana subsp. andina.

Cephalocereus columna-trajani is a species of cactus from Mexico.

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