Agriculture & Biology
fossils
92%
old and fossil wood
78%
flora
74%
Mexico
73%
Cornaceae
72%
Burseraceae
66%
Anacardiaceae
58%
Lauraceae
57%
Malvaceae
54%
new genus
42%
national parks
42%
basins
41%
Angiospermae
40%
comparative study
37%
methodology
24%
leaves
19%
sampling
15%
Medicine & Life Sciences
Cornaceae
96%
Mexico
95%
Burseraceae
85%
Lauraceae
79%
Anacardiaceae
73%
Malvaceae
73%
Magnoliopsida
71%
Recreational Parks
68%
Oceans and Seas
51%
North America
47%
Earth & Environmental Sciences
Campanian
100%
Maastrichtian
98%
fossil
65%
Cretaceous
65%
flora
54%
inland sea
37%
morphotype
35%
angiosperm
34%
new genus
30%
thin section
30%
comparative study
26%
national park
26%
comparison
24%
North America
23%
basin
14%
material
12%
method
6%