Quercus

North Carolina › Apiaceae › Zizia

Common Golden-Alexanders

Zizia aurea
52
Strong
Quercus Score for North Carolina · 5 of 5 factor datasets used; missing records do not prove absence (genus-level)

Native. The Zizia genus feeds 4 caterpillar species in NC, draws 10 bee species in the Southeast, including 1 pollen-specialist bee species that depend on it,; no bird feeding interactions are recorded for this genus in the North American dataset. Strong for specialist bees. Few records for birds. Includes +4 provisional points for additional documented insect groups.

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
4 spp. on genus (NC)
Scale: 0–496
Bees
10 spp. on genus (Southeast)
Scale: 0–176
Specialists
1 specialist bee spp. (East)
Scale: 0–45
Birds
0 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
7 recorded names; flower visits (Illinois)
Scale: 0–12
Flies
37 recorded names; flower visits (Illinois)
Scale: 0–74
Adult butterflies / moths
3 recorded names; flower visits (Illinois)
Scale: 0–15
Other wasps
13 recorded names; flower visits (Illinois)
Scale: 0–75
Other insects
2 recorded names; flower visits (Illinois)
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)S4S5 [S5]
Grows inwet or dry ground (wetland occurrence proxy: FAC; not a measured watering requirement)
Soil pH rangeno data
Lightno data
Recorded in NCMountains, Piedmont; recorded in 28 counties (USDA)
Single-host caterpillars on genus0
How the number was setBase score 52, no adjustment (common in NC). Scoring uses relative ranks; display bars show counts. Caterpillar, bee and bird data are by genus.
Sources

Machine-readable: zizia-aurea.json. Cite as: Quercus Score v0.6.4, Zizia aurea, North Carolina, 2026-09-24.

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