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Family Asteraceae, biennial plant, produced large rosette of spiny leaves the ...
I was walking in the backyard and found this interesting weed with it's flower. ...
This leafy plant/weed was spotting growing in a vacant lot in Orem. It's ...
A large purple thistle. Can be distinguished from the similar Bull Thistle ...
An introduced weed covered in a mass of flexible spikes from stem to leaves and ...
Australian Painted Lady Butterfly drinks sweet nectar from a yellow daisy in my ...
Erect biennial thistle to 2 m high. Stems winged, woolly or cobwebby. Leaves ...
A flowering plant in the family Asteraceae. It is native to Europe and western ...