California Native Plant Link Exchange
Plants at the edge of their range in Lassen County
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Profile of Lassen County

Isolation from Adjacent Counties
Plants found in Lassen County and
found only in Lassen County
not found in any adjacent county
found in one or fewer adjacent counties
found in two or fewer adjacent counties
Isolation between Jepson Bioregions within Lassen County
Plants found in the
  Modoc Plateau
  High Cascade Range
  High Sierra Nevada
  Warner Mountains
bioregion and
not found in any other bioregion
found in one or fewer other bioregions
found in two or fewer other bioregions
Rarity Omit plants considered rare (statewide) by CNPS