Colonial Morphology: Growth rate moderately
rapid to slow matures in about 14 days, downy, sometimes powdery,
granular to fluffy, white to pale pink or buff on surface; reverse
rusty rose red or wine read, sometimes violet, yellow or uncolored.
Physiological Tests: Urease negative, hair
perforation test negative, no requirements for growth factors; BCP
milk: no change in pH.
