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Allergen profile
Allergen:

Yorkshire fog
Family name:

Grasses
Scientific name:

Holcus lanatus L.
Family name latin:

Poaceae
 
Description: 30 - 100 cm high meadow grass with soft-haired leaf sheaths and nodes; perennial; flowering season : V - VIII; low-grade fodder; growing in grey-green tufts; occasionally crop-forming (honey grass fields); avoids lime;
 
Occurence: Common and frequent in fields and pastures from the plain up to semi-mountainous regions around 900 m;
 
Related species: Holcus mollis L., creeping soft grass; very simular species, also occuring in forests and along forest edges, however somewhat less frequent (VI - VII);
 
Allergy trigger: Pollen, approx. 30 µm;
 
Invasions path: Inhalative (May - August);
 
Allergology: Belongs to the allergens with the greatest clinical relevance ;
 
Immunology: Primary allergen: Hol l I, MW 34 000; Hol l V, MW 30 000;
 
Exposure from: May
 
Exposure to: September
 
Clinical relevance: heavy