Characteristics
Dicots
Ambrosia psilostachya DC.
WESTERN RAGWEED
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Native
FAC (NWPL)
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Classification
Citation
AMBROSIA PSILOSTACHYA de Candolle, Prodr. 5: 526. 1836.
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MEXICO: Tamaulipas: Between San Fernando and Matamoros, s.d., Berlandier 2280 (holotype: G-DC; isotype: NY).
Species Distribution Map
Based on vouchered plant specimens from wild populations. Cultivated occurrences are not mapped. Click on a county to display its name.
Source
Synonyms
Specimens and Distribution
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Counties listed:
Range of years during which specimens were collected: