Ulum, F., & 		Setyati, D.
(2022).
 Tree Ferns of C. contaminans and C. orientalis from  Biosite Erek-erek Geoforest of Ijen Geopark, Banyuwangi.
<em>BERKALA SAINSTEK, 10</em>(3), 140-146.
doi:10.19184/bst.v10i3.31738