Sweet Coneflower

Rudbeckia subtomentosa

Pollinator Value

🐝 Specialist Bee Host: Andrena rudbeckiae, Pseudopanurgus rudbeckiae, Pseudopanurgus andrenoides, Pseudopanurgus labrosus, Melissodes agilis, Melissodes druriellus, Melissodes trinodis, Colletes americanus, Colletes compactus
S17 Rudbeckia-associated pollen specialists in Eastern NA; S10 Heterosarus rudbeckiae oligolege

Proximity Score: 3a
Native Status: ❌ Outaouais ❌ Ottawa ❌ QC ❌ ON
Closest Direction: W
CEC Eco-Regions: 8 – Eastern Temperate Forests, 8.2 – Central USA Plains, 8.2.1 – Southeastern Wisconsin Till Plains
Rarity Notes: Globally secure (G5). Not native to Canada; not listed in VASCAN. Not SARA listed. NatureServe lists native subnational records for IA, KS, KY, MS, TN, TX, and WI. No ON or QC conservation rank assigned.
S22 G5, no SARA; S1 not in VASCAN; S26 not SARA listed
Migration: Disjunct
Ecological Context: A prairie forb of the central US, typically found in wet to mesic prairies, savannas, woodland borders, and stream banks. Native range centers on states bordering the Mississippi River from Wisconsin to Louisiana. Colonizes disturbed areas and persists in higher quality prairie remnants. The nearest documented specimens to the Ottawa region are from Wisconsin and Indiana.
S10 habitat description; S46 Mississippi River states; S4 native distribution; S48 specimen locations

Roles: Fortress/Barrier, Pollinator Attractor
S73/S29/S72 Evidence: Fortress/Barrier: S61 keyword match: spines? (supporting signal only)] | Pollinator Attractor: S73 [MEDIUM]: S68 8 bee associations (threshold=3)]

❌ Not Edible