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| File Size: 177 KB |
| Location: Mt South Albert, Colorado, San Isabel National Forest, Colorado |
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Cirsium scopulorum (Greene ) Cockerell ex Daniels
Also Called: Frosty ball, alpine thistle, wolly thistle.
Flowering Period: July, August, September
Family: Aster / Sunflower ( Asteraceae / Compositae )
Height: up to 2'
Life Span: Perennial
Stems: White hairy stems with long spines.
Leaves: Lance-shaped and up to 6" long, teeth are tipped by 1/2" long spines.
Flowers: Usually they have nodding heads and the heads are denser and hairier. Flowers can be creamy white to yellow. The disk flowers can be yellow or purple.
Habitat: Rocky, gravelly and sunny slopes in alpine and subalpine.
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| Mountain Thistle |  | | 181 KB | | Mt South Albert, Colorado, San Isabel National Forest, Colorado |
| | Mountain Thistle |  | | 216 KB | | Mt South Albert, Colorado, San Isabel National Forest, Colorado |
| | Mountain Thistle Leaves |  | | 259 KB | | Mt South Albert, Colorado, San Isabel National Forest, Colorado |
| | Mountain Thistle Stem |  | | 113 KB | | Mt South Albert, Colorado, San Isabel National Forest, Colorado |
| | Mountain Thistle with Yellow Disk Flower |  | | 179 KB | | Mt South Albert, Colorado, San Isabel National Forest, Colorado |
| | Mountain Thistle with Yellow Disk Flower |  | | 171 KB | | Mt South Albert, Colorado, San Isabel National Forest, Colorado |
| | Mountain Thistle with Yellow Disk Flower |  | | 160 KB | | Mt South Albert, Colorado, San Isabel National Forest, Colorado |
| | Mountain Thistle Plants |  | | 303 KB | | Mt South Albert, Colorado, San Isabel National Forest, Colorado |
| | Mountain Thistle Plant |  | | 215 KB | | Mt South Albert, Colorado, San Isabel National Forest, Colorado |
| | Mountain Thistle |  | | 211 KB | | Mt South Albert, Colorado, San Isabel National Forest, Colorado |
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