Burke: Packera bolanderi vs. Packera flettii

	Packera bolanderi	Packera flettii
	Bolander's groundsel	Flett's groundsel
Habit	Glabrous perennial from a branching rhizome, 1-6 dm. tall.	Glabrous perennial from a short, woody stem, 0.5-2 dm. tall.
Leaves	Basal leaves well-developed and persistent, thick and firm, petiolate, the blade cordate, up to 7 cm. broad and long, shallowly palmately lobed, the lobes again toothed; cauline leaves several, pinnatifid, reduced upward.	Basal leaves well developed and persistent, up to10 cm. long including the petiole, and 3.5 cm. wide, mostly pinnatifid to lyrate-pinnatifid, but occasionally simple and cordate; stem leaves few and much reduced.
Flowers	Heads several in a compact, cymose cluster; involucre 5-7 mm. high, pubescent, often with a few, slender bracteoles; rays yellow.	Heads several in a compact cluster; involucre 5-9 mm. high, the bracteoles few and well developed or wanting; rays 5-10 mm. long.
Fruits	Achene

	Packera bolanderi	Packera flettii
Flowering time	June-July	June-August
Habitat	Moist, rocky woodlands, banks, bluffs, and beaches, from the lowlands to middle elevations in the mountains.	Open, rocky places in the alpine, occasionally at middle elevatins, especially on talus slopes.
Distribution	Occurring west of the Cascades crest in southwestern Washington and in the Columbia River Gorge; southern Washington to California. [WildflowerSearch map] [BONAP county map]	Occurring in the Olympics and Cascades mountains in Washington; Washington to Oregon. [WildflowerSearch map] [BONAP county map]
Origin	Native	Native
Conservation status	Not of concern	Not of concern
Sibling taxa	P. cana, P. contermina, P. flettii, P. indecora, P. macounii, P. pauciflora, P. paupercula, P. porteri, P. pseudaurea, P. streptanthifolia, P. subnuda	P. bolanderi, P. cana, P. contermina, P. indecora, P. macounii, P. pauciflora, P. paupercula, P. porteri, P. pseudaurea, P. streptanthifolia, P. subnuda
Subordinate taxa	P. bolanderi var. harfordii
Web links	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	Local floras: OR, WA Local Web sites: 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

Packera bolanderi

Packera flettii

Bolander's groundsel

Flett's groundsel

Habit

Glabrous perennial from a branching rhizome, 1-6 dm. tall.

Glabrous perennial from a short, woody stem, 0.5-2 dm. tall.

Leaves

Basal leaves well-developed and persistent, thick and firm, petiolate, the blade cordate, up to 7 cm. broad and long, shallowly palmately lobed, the lobes again toothed;

cauline leaves several, pinnatifid, reduced upward.

Basal leaves well developed and persistent, up to10 cm. long including the petiole, and 3.5 cm. wide, mostly pinnatifid to lyrate-pinnatifid, but occasionally simple and cordate;

stem leaves few and much reduced.

Flowers

Heads several in a compact, cymose cluster;

involucre 5-7 mm. high, pubescent, often with a few, slender bracteoles;

rays yellow.

Heads several in a compact cluster;

involucre 5-9 mm. high, the bracteoles few and well developed or wanting;

rays 5-10 mm. long.

Fruits

Achene