Reference

O. Servettaz, L. Bini Maleci, A. Pinetti (1992): Micromorphological and phytochemical characters of Teucrium marum and T. subspinosum (Labiatae) from Sardinia and Balearic Islands. – Österreichische Botanische Zeitschrift = Plant Systematics and Evolution – 179: 129 - 139.