TABLE 2.

Percentage of the clinical and environmental isolates of P. guilliermondii, P. caribbica, and D. hansenii forming pseudohyphae and exhibiting growth in the presence of discriminatory carbon sources^a

Carbon source	% Species
	P. guilliermondii (n = 33)	P. caribbica (n = 18)	D. hansenii (n = 3)
Cycloheximide (0.01%)	97	94	0
dl-Lactate	0	0	100
d-Xylose	100	100	66
Ribose	6	33	33
Ramnose	9	22	66
Erythritol	0	0	66
Melibiose	74	22	0
Glucuronate	0	0	66
Gluconate	0	0	33
Lactose	3	0	66
Sorbose	94	100	100
Esculine	91	89	66
Pseudohyphae	83	94	0

^an, Number of isolates.