Assunto
palynology
3
Compositae
2
morphology
2
taxonomy
2
Antarctica
1
Astrophea
1
Atlantic Forest
1
Austroblechnum
1
Blechnum
1
Brazil
1
Brazilian species
1
Chironiinae
1
Coutoubeinae
1
Heliantheae
1
Lychnophorinae
1
Passiflora
1
Passifloraceae
1
Verbesina
1
epitype
1
fruits
1
ice
1
lectotype
1
morphological characters
1
multivariate analysis
1
nomenclature
1
palynotaxonomy
1
pollen
1
pollen grains
1
sandbanks
1
seeds
1
snow
1
spore
1
spores
1
systematics
1
technique to recover grains of pollen
1