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To provide Cal Poly students, faculty, staff and the public with a unique interdisciplinary environment in which to foster the Learn by Doing philosophy by providing educational experiences on a working ranch, supporting diversified agriculture and forest resources while maintaining the integrity of ranch operations.

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Flora of Scotts Creek Watershed

Flower Head Growth Form Field

Cirsium vulgare - Bull Thistle

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Family Name: Asteraceae

Common Names: Bull Thistle, Bullthistle, Common Thistle, Spear Thistle

Origin: Not Native to California

Notes and Rarity Levels (if applicable, see "About This Project" for explainations of rankings): Invasive Weed

Life Form and Duration: Perennial Herb