A plant genus of the family ASTERACEAE. The POLLEN is one cause of HAYFEVER.
A plant genus of the family ASTERACEAE with strong-smelling foliage. It is a source of SANTONIN and other cytotoxic TERPENES.
An order of fungi in the phylum ASCOMYCOTA that are important plant pathogens.
Allergic rhinitis that occurs at the same time every year. It is characterized by acute CONJUNCTIVITIS with lacrimation and ITCHING, and regarded as an allergic condition triggered by specific ALLERGENS.
The fertilizing element of plants that contains the male GAMETOPHYTES.
INSECTS of the order Coleoptera, containing over 350,000 species in 150 families. They possess hard bodies and their mouthparts are adapted for chewing.
The atmospheric properties, characteristics and other atmospheric phenomena especially pertaining to WEATHER or CLIMATE.
The motion of air currents.
An order of ascomycetous FUNGI which includes many economically important plant parasites as well as saprophytes.
Created 7 April 1992 as a result of the division of Yugoslavia.
Antigen-type substances that produce immediate hypersensitivity (HYPERSENSITIVITY, IMMEDIATE).