Quercus

North Carolina › Asteraceae › Solidago

Midwestern Stiff Goldenrod

Solidago rigida (also Oligoneuron rigidum var. rigidum)
86
Keystone
Quercus Score for North Carolina · 5 of 5 factor datasets used; missing records do not prove absence (genus-level)

Native. The Solidago genus feeds 106 caterpillar species in NC, draws 82 bee species in the Southeast, including 36 pollen-specialist bee species that depend on it,; 2 bird species have recorded feeding interactions with this genus in North America. Strong for caterpillars, bees and specialist bees. Adjusted -10 because this species is less common in NC than others in its genus. Includes +4 provisional points for additional documented insect groups.

Rare in NC: buy nursery-propagated plants only

Insect resources, birds and habitat

Bars show recorded counts on a linear scale. Each category runs from zero to its largest count in this NC plant catalog; the same scale applies across plant pages. Compare plants within a category, not bar lengths across categories. Zero records may mean missing research. Growth form is shown as text.

Caterpillars
106 spp. on genus (NC)
Scale: 0–496
Bees
82 spp. on genus (Southeast)
Scale: 0–176
Specialists
36 specialist bee spp. (East)
Scale: 0–45
Birds
2 recorded bird spp. (N. America)
Scale: 0–58
Structure
Forb/herb
Soil
not yet scored

Additional insect evidence

Bar length follows recorded-name count on the displayed scale, not ecological importance. Unknown is not zero support. Flower visits do not confirm feeding or pollination. Named insects may include historical or unresolved names.

Ants
unknown: no matched records
Scale: 0–20
Beetles
3 recorded names; flower visits (Illinois)
Scale: 0–12
Flies
3 recorded names; flower visits (Illinois)
Scale: 0–74
Adult butterflies / moths
3 recorded names; flower visits (Illinois)
Scale: 0–15
Other wasps
10 recorded names; flower visits (Illinois)
Scale: 0–75
Other insects
unknown: no matched records
Scale: 0–5

Provisional additional insect credit: +4 (maximum 5). Scoring rule and limitations. Study references and interaction records are included in this plant’s data record.

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Overwintering: no reviewed hardiness guidance loaded. Heat tolerance is not assessed.

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How Fit works · Agent packet

NC status (state rank)S1 · T
Grows inunknown: no matched wetland indicator (wetland occurrence proxy: unknown; not a measured watering requirement)
Soil pH range5.0–7.5
Lightpart shade to full sun (USDA PLANTS shade class 'Medium', read inverted (coarse))
Recorded in NCMountains, Piedmont; recorded in 6 counties (USDA)
Single-host caterpillars on genus14
How the number was setBase score 96, adjusted -10 for how common the species is in NC. Scoring uses relative ranks; display bars show counts. Caterpillar, bee and bird data are by genus.
Sources

Machine-readable: solidago-rigida.json. Cite as: Quercus Score v0.6.4, Solidago rigida, North Carolina, 2026-09-24.

Quercus Score v0.6.4 · built 2026-09-24 · North Carolina beta · sources and limitations on every page