A sample of H. pseudoguilliermondii was first isolated from orange juice concentrate in Georgia, USA.

[2] It was studied in 2003 by Neža Čadež, Gé A. Poot, Peter Raspor, and Maudy Th.

[1] Colonies that are grown on malt agar for one month at 25°C appear cream-colored, butyrous, glossy, and smooth.

[1][3] The yeast has been observed to form four hat-shaped ascospores when grown for at least seven days on 5% Difco malt extract agar.

[3] The yeast can ferment glucose and cellobiose, but not galactose, sucrose, maltose, lactose, raffinose or trehalose.