Scutari, N. C. (1991). Hyperphyscia variabilis, a new foliose species of physciaceae with 3-septate spores.
Cita Chicago Style (17a ed.)Scutari, Nora Celia. Hyperphyscia Variabilis, a New Foliose Species of Physciaceae with 3-septate Spores. 1991.
Cita MLA (8a ed.)Scutari, Nora Celia. Hyperphyscia Variabilis, a New Foliose Species of Physciaceae with 3-septate Spores. 1991.
Precaución: Estas citas no son 100% exactas.