baudinii is subspecies of Atriplex paludosa (marsh saltbush) that is endemic to Western Australia.

Leaves are oval in shape, one to four centimetres long, 2 to 15 millimetres wide, and scaly all over.

Baudini by Alfred Moquin-Tandon in 1849, based on specimens collected by during the Baudin expedition.

[2] At the same time, Moquin-Tandon published Atriplex drummondii, based on specimens collected by James Drummond, but the latter name is now considered a taxonomic synonym of the former.

[5] It occurs almost exclusively within the Southwest Botanical Province of Western Australia.