Assertion: pollen | /r/HasProperty | 10 µm
Facets:
value: in diameter
type: OTHER
Source sentences:
text: Some pollen, such as Urticamembranaceae Poir (Urticaceae) , and some fungal spores are < 10 µm in diameter (e.g. Aspergillus or Penicillium ), but none are smaller than fine particles of < 2.5 µm.