Earth & Environmental Sciences
flora
95%
Eocene
94%
fruit
70%
fossil
63%
North America
52%
Paleocene
46%
seed
42%
chert
20%
flower
20%
pollen
19%
family
19%
foliage
18%
paleobotany
17%
stem
17%
Miocene
16%
Paleogene
15%
canyon
14%
mountain
14%
creek
14%
cell
14%
fern
13%
Paleozoic
12%
floristics
12%
document
12%
Pennsylvanian
12%
London Clay
12%
anatomy
12%
liverwort
11%
nut
10%
shale
10%
Antarctica
9%
new species
9%
paleontology
9%
phylogenetics
9%
fossil record
8%
angiosperm
7%
organ
7%
Triassic
7%
history
7%
new genus
6%
compression
6%
basin
6%
plant biology
6%
bud
6%
phytogeography
6%
student
5%
sporophyte
5%
stomata
5%
trichome
5%
Oligocene
5%
Agriculture & Biology
fossils
100%
flora
64%
British Columbia
52%
Washington (state)
49%
new species
47%
fruits
38%
leaves
31%
Canada
27%
Trochodendraceae
26%
Trochodendron
24%
Altingiaceae
23%
highlands
20%
canyons
20%
seeds
19%
pollen
19%
Liquidambar
16%
mountains
15%
Isoetales
15%
Nymphaeaceae
15%
Rosaceae
14%
Hamamelidaceae
14%
ferns and fern allies
13%
ovules
13%
shale
13%
Betulaceae
13%
stamens
12%
Antarctica
11%
fronds
11%
Queensland
11%
flowers
11%
catkins
10%
stems
10%
basins
10%
Corylus
10%
Nuphar
10%
Altingia
10%
Ginkgo
10%
Tetracentron
9%
Neviusia
8%
phylogeny
8%
Isoetes
8%
Fothergilla
8%
Cyclocarya
8%
Vauquelinia
8%
pericarp
8%
Sinowilsonia
7%
clay
7%
endocarp
7%
mosses and liverworts
7%
Carpinus
7%