Prickly Sow Thistle (Sonchus asper)
This is a Prickly Sow Thistle (Sonchus asper) found in a yard in Puyallup, Washington.
Macro
Kapp, Ronald O., HOW TO KNOW POLLEN AND SPORES, Wm. C. Brown Company, 1969.
Moore, P.D., J. A. Webb, and M. E. Collinson, POLLEN ANALYSIS, Blackwell Scientific Publications, 1991
Definition/Function:
KINGDOM: Plantae /Angiosperms /Eudicots /Asterids ORDER: Asterales FAMILY: Asteraceae TRIBE: Cichorieae GENUS: Sonchus SPECIES: asper
Significance in the Environment:
Characteristic Features:
Associated Particles:
References:
Faegri, Knut and Johs Iversen, TEXTBOOK OF POLLEN ANALYSIS, Hafner Publishing Company, 1964.Kapp, Ronald O., HOW TO KNOW POLLEN AND SPORES, Wm. C. Brown Company, 1969.
Moore, P.D., J. A. Webb, and M. E. Collinson, POLLEN ANALYSIS, Blackwell Scientific Publications, 1991
