melanocarpum Dysphania melanocarpa, commonly known as black crumbweed, is an annual herb that grows in arid and semi-arid regions of Australia.

It grows as a prostrate aromatic annual, with hairy stems that branch from its base.

[1] It was first published in 1922 by John McConnell Black, as a variety of C. carinatum,[2] and promoted to species rank by him in 1934.

[3] In 2008, Sergei L. Mosyakin & Steven E. Clemants grouped this taxon in genus Dysphania.

[4] It occurs in arid and semi-arid areas of Australia, usually in well-drained soils.