Johann Matthäus Bechstein

Rosa dumalis, the glaucous dog rose, is a species of rose in the Rosaceae family. The native range of this rose stretches from Europe to the Caucasus and also down to northwestern Africa.

Crataegus × media, is a hybrid between two species in the genus Crataegus (Hawthorn), C. monogyna and C. laevigata, both in series Crataegus. Under the rules of botanical nomenclature the name C. × media covers all intermediate forms between the two parent species, including backcrosses. Horticulturally significant forms of C. × media include some with double pink or red flowers, including 'Paul's scarlet' and 'Rubra Plena'.

Quercus × rosacea, the hybrid oak, is a naturally occurring hybrid species of oak native to central and northern Europe. It is a hybrid between sessile oak Quercus petraea, and pedunculate oak Quercus robur, found where their ranges overlap. As a fertile hybrid, it is morphologically variable, but in general the traits are intermediate between those of the parents. A thin section of a Q. × rosacea specimen was used by artist-in-residence Tania Kovats to create a monumental work called TREE for the ceiling of the Mezzanine of the Natural History Museum, London in celebration of the

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Karpatiosorbus hybrida is a species of plant in the family Rosaceae. It is the result of a cross between common whitebeam (Aria edulis) and the chequer tree (Torminalis glaberrima), and is native to western and central Europe.

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