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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