Sunday, May 23, 2010

Lake Washington Park, May 21, 2010



Water-hyacinth (Eichornia crassipes, Pontederiaceae)
Invasive, introduced aquatic; found throughout N. America, elsewhere; blooms in summer
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Paraguayan purslane (Portulaca amilis, Portulacaceae)
Not native
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Nuttall's thistle (Cirsium nuttallii, Asteraceae)
Native; southeast US; blooms in summer. Red insects are assassin bug nymphs.
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