Malus is not a valid species

Did you mean one of the species from the following list?

Malus atropurpurea - 2 collection objects

Malus baccata - 1 collection objects

Malus floribunda - 4 collection objects

Malus halliana - 1 collection objects

Malus ioensis - 2 collection objects

Malus pumila - 1 collection objects

Malus spectabilis - 1 collection objects

Malus sylvestris - 1 collection objects

Malus x purpurea - 1 collection objects