© (c) Eduardo Luis Beltrocco, some rights reserved (CC BY) · CC BY 4.0
Wikimedia Commons — CC, credited & licensed per image
Asteraceae family
South American Rubberweed Hymenoxys anthemoides
South American Rubberweed is an introduced perennial herb, found in the lower 48 states.
More about this plant
Hymenoxys anthemoides, the South American rubberweed, is a South American species of flowering plants in the daisy family. It is native to Bolivia, Paraguay, Uruguay, and Argentina. Wikipedia →
Growing & care
USDA PLANTS · TRY Conditions
Sources · Conditions
Cold hardiness (derived) — Hardiness
- Hardiness
- ≥ zone 9 derived from its U.S. range
Size & form
Sources · Size & form
USDA PLANTS — Lifespan
- Lifespan
- Perennial
In the garden
Herb layer — Sits in the herb of a layered food forest or polyculture.Open guide →
derived roles
Species characteristics from USDA PLANTS (public domain) + TRY (CC BY) — general guidance, not a
guarantee for your exact site. Deer "browsing" is documented palatability, not a deer-proof claim.
Wildlife & pollinators
How pollinator value is scored →✦ Bees specialist-bee host
Specialist native bees depend on it.
Some native bees are pollen specialists (oligolectic) — they raise young only on pollen from particular plant genera. Hymenoxys is a recorded specialist-bee host, so losing it can mean losing the bee that relies on it.
Specialist hosts from Smith et al. 2024.
Related plants
More Hymenoxys →
Native
Arizona Rubberweed
Hymenoxys subintegra
●○○○○ Native
Bigelow's Rubberweed
Hymenoxys bigelovii
●○○○○ 
Native
Bitter Rubberweed
Hymenoxys odorata
●○○○○ 
Native
Cooper's Rubberweed
Hymenoxys cooperi
●○○○○ Native
East View Rubberweed
Hymenoxys brachyactis
●○○○○ Native
Intermountain Rubberweed
Hymenoxys helenioides
●○○○○ Same genus / family, ranked by ecological value — from the PlantKey catalog
Sources for this entry (9) Open & cited
[01] Scientific name & family — USDA PLANTS (DwCA, Zenodo 17903503)
[02] Growth habit & duration — USDA PLANTS (DwCA, Zenodo 17903503)
[03] Native status & distribution — USDA PLANTS (DwCA, Zenodo 17903503)
[04] Common name — USDA PLANTS (via GBIF)
[05] Invasive / introduced status — US-RIIS v2.0 (USGS)
[06] Photos — Wikimedia Commons — CC, credited per image
[07] Description — Wikipedia (CC BY-SA)
[09] Cold hardiness (derived) — Derived from U.S. range × USDA PHZM zones
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PlantKey’s data is open under CC BY-SA 4.0 — free to reuse and adapt, with attribution and the same licence. Photos keep their own per-image licence + credit (see Sources above).
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