Palm springs on the Rio Grande: Insight into Archaic forager plant use from phytoliths recovered from a Late Holocene alluvial section in northern New Mexico.

The results showed that there was a highly significant statistical correlation (T = -2.11459, P = 0.035471, two-tailed) with the spheroid echinates from the Sabal minor palmetto, ruling out the possibility that they were from the Washingtonia filifera palm (See S1 File ).

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