SafePlants

Thistle

The provided text references various plants known as "thistle," with a particular emphasis on their interaction with Monarch butterflies. The text also mentions the species Cirsium vulgare (Bull Thistle) and Cirsium chuskaense (Monarch Thistle).

Considerations for Pets

• Thistles are described as having sharp edges and are sometimes found in wild perennial environments.

Considerations for Children

• Thistles are described as having sharp edges and are sometimes found in wild perennial environments.

Taxonomy and Nomenclature

• Scientific Name: Mentions Cirsium vulgare (Bull Thistle) and Cirsium chuskaense (Monarch Thistle).
• Common Names: Thistle, Bull Thistle, Monarch Thistle, Swamp Thistle.

Distribution and Habitat

• Thistles are found in various locations. Bull Thistle (Cirsium vulgare) is mentioned in relation to the eastern USA.
• The Monarch's summer range is highlighted as the midwest U.S.

Ecological Role

• Thistles are important nectar sources for Monarch butterflies and other pollinators.
• Milk thistle is identified as a plant crucial for Monarch butterfly reproduction, with pesticides impacting its availability negatively affecting Monarch populations.

Morphological Characteristics and Growth Habits

• Thistles are described as wild perennials.

Interactions with Other Organisms

• The text frequently mentions Monarch butterflies feeding on thistle nectar.
• Mentions the presence of wasps on milk thistle.

Quirky Facts

• The text contains a reference to "The Monarch Thistle Dew," which appears to be a line of Whiskey, Brandy, Cham pagne, Ale, and Porter.

Further Information

• The text references "The Plant List," "ToL" (Tree of Life Web Project), "BHL" (Biodiversity Heritage Library), and "WikiSpecies" as resources for more information.