 Cunningham 's treatment was not followed by later authorities , who largely considered Astraeus a distinct genus . According to the <unk> authority <unk> , synonyms of Astraeus hygrometricus include <unk> <unk> <unk> . ( 1772 ) ; Geastrum <unk> <unk> . ( 1822 ) ; Geastrum <unk> ( <unk> . ) <unk> . ( 1885 ) ; and Astraeus <unk> <unk> ( 1900 ) . 
