Ragweed / Ambrosia

Polygonum amphibium Species Distribution

Home « Polygonum amphibium « distribution map of Polygonum amphibium

Map Color Description

- Unreported (Absent for area)

In State map

- Present/Native

- Adventive or Introduced/Native

- Present/Exotic

In County map

- Present in state/Native (Native and Present in state, but not Present in a county)

- Present in county/Native (Native and Present in state, and Present in county)

- Present in state/Exotic (Exotic and Present in state, but not Present in a county)

- Present in county/Exotic (Exotic and Present in state, and Present in county)

In both State and County maps

- Extinct or possibly extinct

- Extirpated/Historic

- Rare

- Noxious

- Eradicated

- Waif (Exotic plant found In the wild and generally unable to reproduce on its own; thus never becoming established or part of the naturalized flora)

- False geographic report

- Questionable Presence (cross-hatched)

In regions & Zones maps

- Provides background color for specific regions/zones selected

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