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Alaska
Oregon
Washington
Bermuda – Cynodon dactylon
Fescue, Meadow – Festuca elatior
Johnson – Sorghum halepense
Dock – Rumex spp.
Firebush – Kochia scoparia
Lamb’s Quarters – Chenopodium album
Plantain, English – Plantago lanceolata
Ragweed, Western – Ambrosia psilostachya
Sagebrush – Artemisia tridentata
Wingscale – Atriplex canescens
Housedust mite – D. farinae
Housedust mite – D. pteronyssinus
Alder – Alnus spp.
Ash – Fraxinus spp.
Box Elder – Acer negundo
Cedar, Red – Juniperus virginiana
Maple – Acer spp.
Oak – Quercus spp.
Privet – Ligustrum vulgare
Willow – Salix spp.
Alternaria alternata
Cladosporium herbatum