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This is a family that includes three genus and about 270 species, among
which English plantain (Plantago Lanceolata) is the most important.
It has very characteristic flowers, that bloom between April and October in
meadows, verges, and barren lands.
Its pollen is spheroidal, with a small-medium size (19-39 µm of
diameter),
with a variable number of pores, and pimpled surface. Patients exclusively
allergic to Plantago are rare, and usually are simultaneously sensitised to
Poaceae.
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Plantago lanceolata**
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Plantago lanceolata**
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Optical
microscope
pollen view**
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Electronic
microscope
pollen view**
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* Photos (c) Laboratorios LETI, S.L.
** Photos (c) Menarini, S.A. - Hospital Clínico de Barcelona
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