Betula sp.

Betula sp.

Betula sp. Birch By: H. Wayne Shew, Ph.D.NAB Certified Pollen CounterAAAC Collection Station—Birmingham, Alabama Betula is the type genus for the family Betulaceae. This family contains six genera and between 120-150 species. Five genera are found in temperate regions...
Artemisia sp.

Artemisia sp.

Artemisia sp. Sagebrush, Mugwort, Wormwood By: H. Wayne Shew, Ph.D.NAB Certified Pollen CounterAAAC Collection Station—Birmingham, Alabama The genus Artemisia is a large, diverse genus of plants having between 200 and 400 species. Its name is derived from the Greek...