Phosri C, Martín MP, Sihanonth P, Whalley AJ, Watling R (2007). "Molecular study of the genus Astraeus". Mycological Research. 111 (3): 275–86. doi:10.1016/j.mycres.2007.01.004. PMID17360168.
Stanikunaite R, Radwan MM, Trappe JM, Fronczek F, Ross SA (2008). "Lanostane-type triterpenes from the mushroom Astraeus pteridis with antituberculosis activity". Journal of Natural Products. 71 (12): 2077–9. doi:10.1021/np800577p. PMID19067555.
Phosri C, Martín MP, Sihanonth P, Whalley AJ, Watling R (2007). "Molecular study of the genus Astraeus". Mycological Research. 111 (3): 275–86. doi:10.1016/j.mycres.2007.01.004. PMID17360168.
Stanikunaite R, Radwan MM, Trappe JM, Fronczek F, Ross SA (2008). "Lanostane-type triterpenes from the mushroom Astraeus pteridis with antituberculosis activity". Journal of Natural Products. 71 (12): 2077–9. doi:10.1021/np800577p. PMID19067555.