From: Xerochrysium gen. nov. and Bettsia, genera encompassing xerophilic species of Chrysosporium
Species | CYA, MEA | G25N (mm) | Colony size (mm) and morphology on MY50G | Dominant microscopic morphology from MY50G | Colony size (mm) and morphology on CZC50G |
---|---|---|---|---|---|
Bettsia alvei | No growth | 1–20 (7 d) | 15–35 (7 d); p ]40–65 (14 d) Colonies persistently white with a pale reverse; or black with a black reverse in the presence of cleistothecia | Solitary aleurioconidia | 8–26 mm (14d) Sparse, hyaline |
B. fastidia | No growth | 1–5 (7 d) | 15–22 (7 d); p ]35–42 (14 d) Colonies dull yellow to yellow brown; reverse yellow brown | Solitary aleurioconidia | 21–26 mm (14d) Sparse, hyaline |
Xerochrysium dermatitidis | No growth — 3 mm | 1–9 (7 d) | 4–10(7d); p ]12–20 (14 d) White or translucent | Chlamydo- and arthroconidia | 18 mm (14d) Dense, white, slightlyfloccose, reverse cream-yellow reverse, occasionally red (Kinderlerer 1995) |
X. xerophilum | No growth — 3 mm | 1–9 (7 d) | 9–20 (7 d); p ]20–38 (14 d) White; reverse white or pale yellow to apricot, khaki | Chlamydo- and arthroconidia | 40–43 mm (14 d) Dense, white, slightly floccose, reverse cream-yellow to khaki-yellow |