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Bull Thistle

Type
herb
Family
Asteraceae - Sun Flower
Genus
Cirsium
Species
vulgare
Duration
Biennial/Perennial
Location
Red Mountain Open Space
Colors
purple
UTM East
486284
UTM North
4532944
Latitude
40.9475
Longitude
-105.163
Altitude
6331
Date
2017-08-05
Notes
very long thorns, particularly at base of the involucre.