UW Burke Herbarium species comparison

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Hieracium scouleri

Hieracium ×stoloniflorum

hound-tongue hawkweed, Scouler's hawkweed

forked hawkweed
Habit Perennial herbs with milky juice from a short rhizome with fibrous roots; stems 3-10 dm. tall; herbage bristly below and often glaucous above.
Leaves

Basal and lower cauline leaves 5-20 cm. long and 1-3.5 cm. wide, entire, the short petiole winged;

leaves reduced and becoming sessile upward.

Flowers

Achene terete, narrowed toward the base, ribbed.

Hieracium scouleri

Hieracium ×stoloniflorum
Flowering time June-August June-August
Habitat Mostly dry places in open woods, from foothills to middle elevations in the mountains. Lawns, roadsides, ditches, and other disturbed areas, where escaping from cultivation.
Distribution
Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Alberta, Montana, Wyoming, and Utah.
[WildflowerSearch map]
[BONAP county map]
Occurring in scattered locations on both sides of the Cascades crest in Washington; no other reports from North America.
[BONAP county map]
Origin Native Introduced from Europe
Conservation status Not of concern Not of concern
Sibling taxa
H. albiflorum, H. aurantiacum, H. caespitosum, H. flagellare, H. ×floribundum, H. glomeratum, H. lachenalii, H. longiberbe, H. maculatum, H. murorum, H. pilosella, H. piloselloides, H. sabaudum, H. ×stoloniflorum, H. triste, H. umbellatum
H. albiflorum, H. aurantiacum, H. caespitosum, H. flagellare, H. ×floribundum, H. glomeratum, H. lachenalii, H. longiberbe, H. maculatum, H. murorum, H. pilosella, H. piloselloides, H. sabaudum, H. scouleri, H. triste, H. umbellatum
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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