Burke: Hieracium scouleri vs. Hieracium longiberbe

	Hieracium scouleri	Hieracium longiberbe
	hound-tongue hawkweed, Scouler's hawkweed	long-bearded 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.	Perennial herbs with milky juice, the stems 3-6 dm. tall, sub-glabrous or with a few long bristles.
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.	: Leaves alternate, several, the lowermost reduced and early-deciduous, those next above the largest, up to 12 cm. long and 3 cm. wide, the middle ones well developed and only gradually reduced upward; leaves thin, often toothed, with bristly hairs on the margins, but sparsely hairy to glabrous on the surfaces.
Flowers	Achene terete, narrowed toward the base, ribbed.	Heads few to several in a flat-topped inflorescence; involucre 9-11 mm.high, with fine, stellate hairs and a few long bristles; corollas all ligulate, yellow
Fruits		Achene.

	Hieracium scouleri	Hieracium longiberbe
Flowering time	June-August	June-July
Habitat	Mostly dry places in open woods, from foothills to middle elevations in the mountains.	Dry rocky slopes and ledges.
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 the Columbia River Gorge in Washington; south-central Washington to adjacent north-central Oregon; endemic to the Columbia River Gorge. [WildflowerSearch map] [BONAP county map]
Origin	Native	Native
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. maculatum, H. murorum, H. pilosella, H. piloselloides, H. sabaudum, H. scouleri, H. ×stoloniflorum, H. triste, H. umbellatum
Web links	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: OR, WA Local Web sites: Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Hieracium longiberbe

hound-tongue hawkweed, Scouler's hawkweed

long-bearded 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.

Perennial herbs with milky juice, the stems 3-6 dm. tall, sub-glabrous or with a few long bristles.

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.

: Leaves alternate, several, the lowermost reduced and early-deciduous, those next above the largest, up to 12 cm. long and 3 cm. wide, the middle ones well developed and only gradually reduced upward;

leaves thin, often toothed, with bristly hairs on the margins, but sparsely hairy to glabrous on the surfaces.

Flowers

Achene terete, narrowed toward the base, ribbed.

Heads few to several in a flat-topped inflorescence;

involucre 9-11 mm.high, with fine, stellate hairs and a few long bristles;

corollas all ligulate, yellow

Fruits

Achene.