Perennial Ryegrass Pollen Antigen

**Semantic type:** Immunologic Factor

**Definition:** Antigen(s) in the pollen of the species Lolium perenne (perennial ryegrass) that are considered as plant allergen(s).

**Synonyms:** - Lolium perenne Pollen Antigen - PERENNIAL RYEGRASS POLLEN - Perennial Ryegrass Pollen Allergen - Rye grass Pollen Antigen