| Name | Astraeus hygrometricus (Persoon: Persoon) Morgan |
| Authorship | (Persoon: Persoon) Morgan |
| Rank | Species |
| Placed in | Astraeus |
| Citation | 1889 J. Cincinnati Soc. Nat. Hist 12: 20 |
| Holdings | 112 Specimens held in the Harvard University Herbaria identified as Astraeus hygrometricus (Persoon: Persoon) Morgan |
| Identification made in | [no date] (111), 1987 (1) |