Stock Photo - Identified in the book as two varieties of Sweet flag. Acorus calamus. After an illustration by Mirza Baqir in a 19th-century Iranian book of Greek physician and botanist Pedanius Dioscorides's 1st century AD work De Materia Medica.

Stock Photo: Identified in the book as two varieties of Sweet flag. Acorus calamus. After an illustration by Mirza Baqir in a 19th-century Iranian book of Greek physician.

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