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Table 2 Comparison of the key phenotypic characteristics of Keratinophyton species

From: Molecular systematics of Keratinophyton: the inclusion of species formerly referred to Chrysosporium and description of four new species

Species Growth at 30 °C on PDAa Colony color, growth/ reverse on PDA at 25 °C, after 14db Conidial shape Conidial dimensions
(μm)
Conidial surface Intercalary conidia References
K. gollerae sp. nov. None White to creamy, 20–22 mm/white to yellowish Obovoid to clavate 5.0–7.0 × 2.0–2.5 Smooth to finely roughened Absent This study
K. lemmensii sp. nov. Present (good) White, 28–35 mm/lemon yellow Clavate to filiform 3.0–40 μm (1- to 2-celled) Smooth Present This study
K. straussii sp. nov. Present (good) White to creamy, 24–28 mm/white to yellowish Obovoid to clavate 4.5–5.0 × 2.5–3.0 Verrucose Absent This study
K. wagneri sp. nov. Present (restricted) White to yellowish, 25–30 mm/white to yellowish Obovoid to clavate 4.0–8.0 × 2.5–4.0 Verrucose Absent This study
K. clavisporum Present (restricted)e White, 53 mm (26 °C)/red-brown Clavate to long -ellipsoidal 5.0–10 × 2.5–5.0 Smooth Absent Zhang et al. 2017
K. echinulatum Present (good) Yellow to pale orange yellow, 28–45 mm/orange yellow Obovoid to clavate 4.5–7.0 × 2.5–4.0 Echinulate Present Hubka et al. 2016
K. fluviale Present (good) White to yellowish white, 60–70 mm (30 °C)/brownish orange Obovate, clavate, nearly ellipsoidal or pyriform 3.5–15 × 2.0–3.0 (1-and 2-celled) Verrucose Present (very rare) Vidal et al. 2000
K. qinghaiense Present (good)d White to yellowish, 30 mm (7 days)/yellowish Clavate to cylindrical 3.6–13 × 1.8–3.6 Smooth Present Han et al. 2013
K. hubeiense Present (restricted)e Grey white to white, 65–67 mm/reverse yellowish Obovoid to ellipsoidal 2.2–4.3 × 1.6–3.2 Smooth Absent Zhang et al. 2016
K. linfenense Present (good) White to cream, 72 mm (30 °C)/white to light yellow Ellipsoidal to fusiform, also clavate 3.2–5.4 x-1.4–2.2 Smooth Absent Liang et al. 2009
K. minutisporosum Present (good) White to yellowish white, 55–70 mm/white Pyriform or subglobose, also clavate 3.0–4.0 (−11) × 1.5–3.5 Verrucose Present (very rare) Vidal et al. 2002
K. pannicola Present (good) White to pale yellow, 20–38 mm /pale brownc Obovoid to clavate 6.0–11 × 3.5–4.5 Verrucose Present (less abundant) van Oorschot 1980
K. siglerae Present (good) Griseous orange, 15–20 mm (21 d)/ pale brown Cylindrical to clavate 5.0–30 × 2.0–3.5
1-and 2-celled
Smooth to slightly verrucose Present Cano and Guarro 1994
K. submersum Present (restricted) Yellowish white, 50–60 mm/yellowish white Clavate, also pyriform, obovoid and subglobose 4.0–35 × 2.5–5.0
(1- to 4-celled)
Smooth to verrucose-thick-walled Present (in old cultures) Vidal et al. 2002
K. turgidum Present (good) White, 50–55 mm (SGA at 28 °C)/pale brown Pyriform to oval 5.0–7.0 × 3.5–5.0 Smooth Present Sharma and Shouche 2017
  1. aif not stated other medium
  2. bif not stated otherwise
  3. cPYE, Phytone yeast extract agar
  4. dYanfeng Han personal communication