Morphological diversity of foliar trichomes in Asteraceae from Sand-fields of the Pampa biome, Rio Grande do Sul State, Brazil
ABSTRACT Asteraceae is the largest family of angiosperms and occurs predominantly in grassland areas.This study aimed to identify and characterize the foliar trichomes heelbo website of 34 Asteraceae species from Sand-fields of the Pampa biome, by means of epidermal analyzes (front and transverse view) under light and scanning electron microscopy.E