[1] He attended classes in medicine and botany at the University of Halle, afterwards continuing his studies in Göttingen, where he was a pupil of botanist Heinrich Adolf Schrader (1767-1836).

In 1822, he was appointed district physician to the city of Nordhausen, where along with his duties as a doctor, he performed botanical research.

[2] Among his writings were a treatise on cryptogams native to Germany, Flora Cryptogamica Germaniae (1831–33), and a study on the biology of lichens, titled Naturgeschichte der Flechten (1825 and 1827).

Wallroth issued the exsiccata series Lichenes florae Germaniae exsiccati.

A large part went, together with some written materials, to the National Museum in Prague.