tgpotterfield:
Carduus nutans (musk thistle, nodding thistle), first fruiting heads starting to dehisce
tgpotterfield:
Patch of musk thistle at path intersection near Hourglass Lake
tgpotterfield:
Carduus nutans (musk thistle, nodding thistle), first fruiting heads starting to dehisce
tgpotterfield:
Carduus nutans (musk thistle, nodding thistle), first fruiting heads starting to dehisce
tgpotterfield:
Southeast-facing hillside with nodding thistle (Carduus nutans)
tgpotterfield:
Carduus nutans (musk thistle, nodding thistle)
tgpotterfield:
Carduus nutans (musk thistle, nodding thistle)
tgpotterfield:
Carduus nutans (musk thistle, nodding thistle)
tgpotterfield:
Carduus nutans (musk thistle, nodding thistle) with Web Barn in distance
tgpotterfield:
Carduus nutans (musk thistle, nodding thistle) with Webb Farmhouse in distane
tgpotterfield:
Rudbeckia hirta (black-eyed Susan), with Cirsium ?pumilum (pasture thistle) and Erigeron annuus (annual fleabane)
tgpotterfield:
Cirsium pumilum (pasture thistle) with black-eyed Susan, fleabane, and butterfly weed
tgpotterfield:
Cirsium pumilum (pasture thistle)
tgpotterfield:
Cirsium pumilum (pasture thistle), stem
tgpotterfield:
Cirsium pumilum (pasture thistle)
tgpotterfield:
Cirsium pumilum (pasture thistle)
tgpotterfield:
Cirsium pumilum (pasture thistle)
tgpotterfield:
Cirsium arvense (Canada thistle)
tgpotterfield:
Cirsium horridulum (horrible thistle, yellow thistle)
tgpotterfield:
Cirsium discolor (field thistle), inflorescence
tgpotterfield:
Cirsium discolor (field thistle), late blooming, with Bombus sp. (bumblebee)
tgpotterfield:
Speyeria cybele (great spangled fritillary) on Cirsium discolor (field thistle), late season
tgpotterfield:
Cirsium vulgare (bull thistle), leaves pinnatifid, with lobes coarsely toothed or lobed again, very spiny, thinly tomentose to green beneath
tgpotterfield:
Cirsium vulgare (bull thistle), stem thinly tomentose and winged from decurrent leaf bases
tgpotterfield:
Cirsium vulgare (bull thistle), stem thinly tomentose and winged from decurrent leaf bases
tgpotterfield:
Cirsium ?discolor (field thistle)
tgpotterfield:
Speyeria cybele (great spangled fritillary) on Cirsium ?discolor (field thistle)
tgpotterfield:
Circium ?discolor (field thistle)
tgpotterfield:
Circium ?discolor (field thistle)
tgpotterfield:
Cirsium ?discolor (field thistle)
