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Home » Taxonomy » Compositae » Cirsium » Cirsium horridulum - Michx.

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Cirsium horridulum Michx.

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Cirsium horridulum Michaux var. horridulum
Cirsium horridulum Michaux var. horridulum head - CONTACTED No Reply
Purple Cirsium horridulum - ATTEMPTED TO CONTACT No Reply
Cirsium horridulum Distribution Map 2006
Yellow thistle (Cirsium horridulum)
Yellow thistle (Cirsium horridulum)
Yellow thistle (Cirsium horridulum)
Pollen of Cirsium horridulum
Herbarium Sheet showing Cirsium horridulum Specimen
Cirsium horridulum with red corollas
Michaux's original description of Cirsium horridulum
Copy of Walter's original text - Carduus spinossimus
Illustration of Cirsium horridulum

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