Macro- and micromorphology of Grindelia camporum var. camporum greene family asteraceae, cultivated in Egypt: leaf, stem and root

The detailed macro-and micromorphological characters of the stems, leaves and roots of Grindelia camporum varity camporum Greene [syn. Grindelia Robusta] were studied with the aim to find out the diagnostic elements of these organs, which facilitate their identification in both entire and powdered forms