Plantago sp.

Plantago sp. By: H. Wayne Shew, Ph.D.NAB Certified Pollen CounterAAAC Collection Station—Birmingham, Alabama Pasture with lots of plantain and bahia grass. Dark heads are plantain inflorescences. Plantago pollen – note multiple pores in the pollen grains (periporate),...
Thunderstorm Fever

Thunderstorm Fever

Thunderstorm Asthma By: H. Wayne Shew, Ph.D.NAB Certified Pollen CounterAAAC Collection Station—Birmingham, Alabama You perhaps have read about thunderstorm asthma or thunderstorm fever and the significant impact that it has had on some individuals. This phenomenon...