Ambrosia artemisiifolia pollen

Apple Short ragweed Short ragweed pollen Standardized short ragweed pollen Treatment set ts329678 Treatment set ts332256 Treatment set ts334946 Treatment set ts335823 Treatment set ts336437 Treatment set ts336667 Treatment set ts336924 Treatment set ts337026 Treatment set ts337554 Treatment set ts338618 Treatment set ts339184 Treatment set ts339754 Treatment set ts340074 Treatment set ts340796 Treatment set ts340987 Treatment set ts342922 Treatment set ts343825 Treatment set ts344059 Treatment set ts344558 Treatment set ts344592 Treatment set ts345463 Western water hemp