TABLE 3.
Summary of colony color and morphological characters useful for identification of Phaeoacremonium species, listed according to the colony color (ranging from pink to brown to beige)
| Species | Colony color on 2% MEA | Conidiophore structure | Conidiophore length (μm)a | Mycelium texture | Maximum size of warts (μm) | Predominant phialide type | Predominant Type II phialide shape | Yellow pigmentation on PDA |
|---|---|---|---|---|---|---|---|---|
| P. rubrigenum | Medium to purple pink | Mostly short and usually unbranched | 23-51 (20, 70) | Verruculose | 1 | III | Elongate-ampulliform, attenuated at the base | No |
| P. scolyti | Medium pink to translucent | Mostly short and usually unbranched | 17-35 (15, 39) | Mostly verruculose | 1 | II | Elongate-ampulliform, constricted at the base | No |
| P. griseorubrum | Dark pink | Mostly short and usually unbranched | 23-70 (21, 85) | Verruculose | 1.5 | II and III | Elongate-ampulliform or navicular | No |
| P. alvesii | Medium pink or beige | Mostly short and usually unbranched | 17-43 (14, 50) | Verruculose | 0.5 | III | Subcylindrical or navicular | Variable |
| P. inflatipes | Brown to gray-brown | Mostly branched in the basal region | 18-40 (14, 43) | Verruculose | 0.5 | III | Elongate-ampulliform, attenuated at the base | No |
| P. parasiticum | Brown with medium brown center | Mostly long and branched | 27-80 (24, 130) | Verricose | 3 | III | Subcylindrical | No |
| P. krajdenii | Medium brown to dark brown | Short and usually unbranched | 20-45 (16, 76) | Verrucose | 1 | II | Elongate-ampulliform, attenuated at the base | No |
| P. tardicrescens | Medium brown to olivaceous-brown | Mostly short and usually unbranched | 16-52 (13, 67) | Verrucose | 0.5 | I and III | Subcylindrical to subulate | No |
| P. aleophilum | Honey-brown or beige | Mostly short and usually unbranched | 17-42 (15, 46) | Mostly verruculose | 1.5 | II and III | Elongate-ampulliform attenuated at the base | Yes |
| P. australiense | Pale brown to medium brown | Mostly short and usually unbranched | 17-50 (14, 64) | Verruculose | 1 | I, II, and III | Elongate-ampulliform | No |
| P. subulatum | Pale yellow to pale brown | Mostly short and usually unbranched | 18-32 (17, 45) | Verruculose | 0.8 | I, II, and III | Subcylindrical to subulate | Yes |
| P. venezuelense | Beige to orange-brown | Mostly short and occasionally branched | 28-48 (20, 52) | Verruculose | 1 | III | Subcylindrical or navicular | No |
| P. amstelodamense | Beige to pale brown | Mostly short and usually unbranched | 16-61 (15, 90) | Verruculose | 1 | II | Elongate-ampulliform constricted at the base | No |
a
Conidiophore lengths are given in the form 5th percentile-95th percentile (min, max).