This family includes 18 genus and about 125 species. The most important
genus are Cupressus genus (cypresses, and among them, Cupressus Arizonica
and Cupressus sempervirens), and Juniperus (junipers y
The growing allergologic importance of these trees is due to their
extended use as ornamental plants (i.e. fences).
This pollen is spheroidal, small-medium sized (19-38 µm in diameter),
smooth surfaced, with tiny and thick granules, irregularly scattered.
Its pollinisation period is from October to April, with a maximum peak
* Photos (c) Laboratorios LETI, S.L. ** Photos (c) Menarini, S.A. - Hospital Clínico de Barcelona