In this study, Pseudeverniafurfuracea (L.) Zopf, Which were collected from Erzurum-Oltu region, have been tested in respect of their antimicrobial activİties examined on these bacteria and yeasts: Escherichia colu ATCC 11230, Enterobacter aerogenes CCCM 2531, Staphylococcus aureus 6538 P, Staphylococcus epidermidis ATCC 12228, Bacillus subtilis La 2114, Bacillus cereus, Mycobacterium smegmatis CCM 2067, Candida Utilis La 991 and Candida albicans by steril dise method. The results showed that Pseudeverniafurfuracea (L.) Zopf revealed antimicrobial avtivittes on some Gram (+) bacteria and yeasts.