![Cherry Tree](https://static.wixstatic.com/media/8cbf8c595ce4424fa69b75242c94c40d.jpg/v1/fill/w_79,h_58,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/8cbf8c595ce4424fa69b75242c94c40d.jpg)
A - B
Allergy Descriptions
![Brome Grass](https://static.wixstatic.com/media/195a87_9d20c851bd5148faa7621a1fec18d316~mv2.jpg/v1/fill/w_92,h_61,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/195a87_9d20c851bd5148faa7621a1fec18d316~mv2.jpg)
Mostly found in the Northern Hemisphere, Brome grass starts flowering in May and finishes in September.
![Bayberry](https://static.wixstatic.com/media/195a87_7be5bd65a7a64bee88cb1ada00f334ca~mv2.jpeg/v1/fill/w_56,h_56,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/195a87_7be5bd65a7a64bee88cb1ada00f334ca~mv2.jpeg)
Myrica plants are typically shrubs, with most plants not exceeding 10 feet tall.
![Alternaria](https://static.wixstatic.com/media/195a87_5412b4988fb44520bf274456e1845f5d~mv2.jpg/v1/fill/w_147,h_98,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/195a87_5412b4988fb44520bf274456e1845f5d~mv2.jpg)
Alternaria is one of the most important allergenic molds.
![American Elm Tree](https://static.wixstatic.com/media/195a87_e5d34a890c204aad81d7a95110eb25a3~mv2.jpg/v1/fill/w_108,h_108,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/195a87_e5d34a890c204aad81d7a95110eb25a3~mv2.jpg)
The American Elm is a very widespread medium-sized or large tree typically found in floodplains, ravines and other moist areas.
![American Sycamore Tree](https://static.wixstatic.com/media/195a87_2b6633d2d000499ea5844b2f58e439f5~mv2.jpg/v1/fill/w_108,h_59,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/195a87_2b6633d2d000499ea5844b2f58e439f5~mv2.jpg)
The large trees can produce significant amounts of pollen, pollen which has been classified as a moderately severe allergen.
![Aspergillus Niger](https://static.wixstatic.com/media/195a87_c03c288d6a9b4f648fc9e1887e137883~mv2.jpeg/v1/fill/w_121,h_81,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/195a87_c03c288d6a9b4f648fc9e1887e137883~mv2.jpeg)
A. Niger is a common saprophytic (lives off of dead or decaying organic matter) mold.
![Aureobasidium Pullulans](https://static.wixstatic.com/media/195a87_11548dad6f3346fe9de0064a1453e59a~mv2.jpeg/v1/fill/w_65,h_49,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/195a87_11548dad6f3346fe9de0064a1453e59a~mv2.jpeg)
A pervasive mold that can be found in widely varied habitats like bathrooms and kitchens, deposits such as water and more.
![Bahia Grass](https://static.wixstatic.com/media/195a87_885233a14b6f4ec7977b185b180235db~mv2.jpg/v1/fill/w_147,h_102,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/195a87_885233a14b6f4ec7977b185b180235db~mv2.jpg)
Bahia grass has been studied in many countries and has been documented as a trigger of allergic rhinitis, asthma and allergic conjunctivitis.
![Bermuda Grass](https://static.wixstatic.com/media/195a87_00e6c1d0239d4e55a0af4eb7af24f381~mv2.jpg/v1/fill/w_147,h_110,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/195a87_00e6c1d0239d4e55a0af4eb7af24f381~mv2.jpg)
Bermuda grass is a significant grass allergen.