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Cirsium nuttallii DC.

Nuttall’s thistle

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassAsteridaeA large class that encompasses asters
OrderAsteralesFlowering plants with a central disk flower and surrounding petals, like daisies
FamilyAsteraceaeThe aster family, which also includes daisies and sunflowers; from the Greek ἀστήρ, “star,” for the star-shaped flowers
GenusCirsiumFrom Greek kirsion, “a kind of thistle”
SpeciesnuttalliiNamed for the Englishman Thomas Nuttall (1786-1859), a botanist, ornithologist, curator of the Harvard Botanic Gardens, and author in 1816 of Genera of North American Plants

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Carduus nuttallii (DC.) Pollard

 

Cirsium nuttallii description by Thomas H. Kent, last updated 25 May 2020.

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Cirsium nuttallii (Nuttall’s thistle)

4/12/2015 · Shark Valley, Everglades National Park, Florida
≈ 8 × 12" (21 × 31 cm)

Cirsium nuttallii (Nuttall’s thistle)

The brown grass is probably beardgrass (Andropogon glomeratus) · 4/12/2015 · Shark Valley, Everglades National Park, Florida

Cirsium nuttallii (Nuttall’s thistle)

4/12/2015 · Shark Valley, Everglades National Park, Florida
≈ 7 × 5" (17 × 13 cm)

Cirsium nuttallii (Nuttall’s thistle)

4/12/2015 · Shark Valley, Everglades National Park, Florida
≈ 12 × 8" (31 × 21 cm)

Cirsium nuttallii (Nuttall’s thistle)

4/12/2015 · Shark Valley, Everglades National Park, Florida
≈ 7 × 6" (17 × 14 cm)

Cirsium nuttallii (Nuttall’s thistle)

4/12/2015 · Shark Valley, Everglades National Park, Florida
≈ 24 × 25" (59 × 62 cm)

Range:

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