This was found on one specimen of Acacia dealbata which was part of a regeneration planting. Endoraecium carnegiei was described in: A.R. McTaggart, C. Doungsa-ard, A.D.W. Geering, M.C. Aime, R.G. Shivas (2015) A co-evolutionary relationship exists between Endoraecium (Pucciniales) and its Acacia hosts in Australia. Persoonia 35: 50–62. Microscope image show urediniospores.