Cirsium horridulum: Taxonomy | Photographs
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Cirsium horridulum - Close-up view of a thistle flower.
Cirsium horridulum - This thistle stood over 5 feet tall.
Cirsium horridulum - This is a closer view of the same thistle as in the above photo, displaying the fluffy, white seeds ("thistle down") as well as the flowers.
Cirsium horridulum - Thistle down (seeds) waiting for a breeze to carry them away.
Cirsium horridulum - Thistle down (seeds).
Cirsium horridulum - This is a downward-looking view at a thistle flower just before blooming.
Cirsium horridulum
Cirsium horridulum - This is the same thistle as in the above photo.
Cirsium horridulum
Cirsium horridulum
Cirsium horridulum
Cirsium horridulum - This is a downward-looking view at a young thistle.
Cirsium horridulum - Bumble Bee (Bombus sp.) on a Purple Thistle (Cirsium horridulum).
Cirsium horridulum - Longhorned beetle (Typocerus zebra) on a Purple Thistle (Cirsium horridulum).
Cirsium horridulum - Leaffooted Bug (Leptoglossus phyllopus) on a Purple Thistle (Cirsium horridulum).
Cirsium horridulum - Mating Leaffooted Bugs (Leptoglossus phyllopus) on a Purple Thistle (Cirsium horridulum).
Cirsium horridulum - Mating stinkbugs (family: Pentatomidae) on a Purple Thistle (Cirsium horridulum).
Cirsium horridulum - Palamedes Swallowtail Butterfly (Papilio palamedes) feeding on a Purple Thistle (Cirsium horridulum).
Cirsium horridulum - This is the same Palamedes Swallowtail Butterfly (Papilio palamedes) feeding on a different Purple Thistle (Cirsium horridulum).