Packera anonyma
Packera pseudaurea
Small's ragwort
false-gold groundsel, streambank butterweed, streambank groundsel
1 or 2–5, loosely clustered, bases densely tomentose, leaf axils usually tomentose.
usually 1, sometimes 2–4, clustered, glabrous or sparsely tomentose proximally.
petiolate;
blades narrowly elliptic to oblanceolate, 30–90+ × 10–20+ mm, bases tapering, margins serrate to crenate-serrate (apices rounded to acute, faces glabrous).
petiolate;
blades usually broadly lanceolate to ovate, sometimes subhastate, 20–50+ × 20–40+ mm, bases truncate to subcordate or obtuse, margins crenate, denticulate, bluntly dentate, or sharply dentate (proximal cauline leaves petiolate; margins usually pinnately lobed to laciniate, sometimes subentire).
gradually reduced (petiolate or sessile; elliptic to lanceolate, often pinnatifid).
gradually reduced (becoming sessile, sometimes clasping).
bracteate, distally tomentose.
bracteate, glabrous.
8 or 13;
corolla laminae 5–7+ mm.
0, 8, or 13;
corolla laminae 6–10+ mm.
45–60+;
corolla tubes 1.5–2 mm, limbs 1.5–2 mm.
70–80+;
corolla tubes 2.5–3.5 mm, limbs 2–3 mm.
13 or 21, light green, 3–5 mm, glabrous.
(13–)21(–30+), light green, 3–8 mm, glabrous.
inconspicuous.
inconspicuous.
20–70(–100+) in corymbiform arrays.
5–20+ in open or congested, subumbelliform arrays.
0.75–1 mm, hirsute on ribs;
pappi 2.5–3 mm.
1–1.5 mm, glabrous;
pappi 4.5–5.5 mm.
= 44.
= 40, 44, 46, 80.
Packera anonyma
Packera pseudaurea
Packera anonyma is common, almost weedy throughout most of its range. It grows on serpentine in Maryland, Ohio, and Pennsylvania. In western parts of its range, putative hybrids between P. anonyma and P. plattensis and P. tomentosa have been reported.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Varieties 3 (3 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Basal leaves: margins sharply dentate; phyllaries 7–8 mm | var. pseudaurea |
1. Basal leaves: margins usually crenate, denticulate, or bluntly dentate, rarely sharply dentate; phyllaries 3–6 mm | → 2 |
2. Basal leaves: petiole lengths equaling blades, blades broadly ovate, margins usually bluntly dentate or denticulate, rarely sharply dentate; heads 5–12 in congested, cymiform arrays; phyllaries 3–5 mm; s Rocky Mountains | var. flavula |
2. Basal leaves: petiole lengths 1.5–2 times blades, blades narrowly ovate, margins crenate; heads 6–12 in open or slightly congested, corymbiform or cymiform arrays; phyllaries 4–6 mm; Great Plains | var. semicordata |
LA Plants
MD Biodiversity- Local floras:
BC, 
OR, 
WA - Local Web sites:
CalFlora, CalPhotos, 
Flora NW, 
KS Wildflowers, 
MN Wildflowers, 
MO Plants, 
PNW Herbaria, 
SW CO Wildflowers 
WildflowerSearch
iNaturalist (observations)
USDA Plants Database- LBJ Wildflower Center
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