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Spiny Sow-Thistle

Type
herb
Family
Asteraceae - Sun Flower
Genus
Sonchus
Species
asper
Duration
Biennial/Perennial
Location
CSU Env. Lrng. Ctr
Colors
yellow
UTM East
498587
UTM North
4489684
Latitude
40.5579
Longitude
-105.0167
Altitude
4898
Date
2017-07-29
Notes
Very hard to distinguish between S. asper (Spiny Sow-Thistle) and S. oleraceous (Common Sow-Thistle).