He also made numerous contributions to plant taxonomy, notably erecting a number of plant families that are still accepted today; and numerous Australian plant genera and species, the fruit of his exploration of that continent with Matthew Flinders.
Dia juga memberikan banyak sumbangan terhadap taksonomi tumbuhan, termasuk penggolongan sejumlah familia tumbuhan yang masih diterima saat ini, dan banyak marga dan spesies tumbuhan Australia, hasil penjelajahannya beserta Matthew Flinders. ^ "Deaths".