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Poaceae family

Large Watergrass Luziola subintegra

Large Watergrass is an introduced perennial grass, found in the lower 48 states.

⚠ Invasive here — plant a native instead USDA + GBIF

Large Watergrass is flagged invasive in the U.S. These natives fill a similar niche — same growth habit, bloom season, height, and region — so you keep the look and feed local wildlife instead of spreading a problem.

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Native
Southern Sugar Maple
Acer floridanum
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Sand Post Oak
Native
Sand Post Oak
Quercus margaretta
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Barrens Silky Aster
Native
Barrens Silky Aster
Symphyotrichum pratense
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Mockernut Hickory
Native
Mockernut Hickory
Carya tomentosa
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Matched on growth habit · bloom months · mature height · shared U.S. range (USDA + GBIF) — a starting point, not a prescription.

Growing & care

USDA PLANTS · TRY
Conditions
Sources · Conditions
Cold hardiness (derived) — Hardiness
Hardiness
≥ zone 11 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.
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)
[07] Ecological value — GloBI
[08] Cold hardiness (derived) — Derived from U.S. range × USDA PHZM zones
[09] County range — GBIF Open Data — open-licensed occurrences (CC0/CC-BY) → county
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