thistle fluff in july

canada thistle thistles fluff fluffs perennial perennials weeds cirsium arvense roadside field fields trail trails green leaves stem foliage prickly leaves plant outdoor outdoors outside view scene scenery scenic detail details pod encased flowerheads flowerhead non-native aggressive invasive woodland forest wooded area woods schmidt woods wilmot township waterloo region southern ontario canada summer summertime july seasonal season wildflower meadow meadows open seeds seedheads seedhead white fuzz fuzzy soft foliage vegetation