Medicine & Life Sciences
Central America
18%
Climate
31%
Cold Climate
21%
Cold Temperature
12%
Droughts
87%
Ecosystem
30%
Genomics
13%
Mya
24%
North America
29%
Plastids
21%
Radiation
10%
Selaginellaceae
100%
Agriculture & Biology
Central America
11%
Chihuahuan Desert
15%
climate
8%
cold zones
13%
deserts
10%
drought
8%
drought tolerance
32%
dry climates
14%
fossils
11%
genomics
6%
herbaria
11%
monophyly
11%
niches
28%
phylogeny
31%
plastids
10%
Selaginella
82%
Selaginella lepidophylla
20%
Sonoran Desert
15%
species diversity
8%
subarctic climates
18%
Earth & Environmental Sciences
Central America
12%
climate
17%
cold
7%
colonization
10%
Cretaceous
7%
desert
18%
divergence
9%
drought
34%
ecological niche
25%
fossil record
11%
genomics
10%
herbarium
14%
niche
10%
North America
17%
Paleocene
11%
phylogenetics
45%
plastid
15%
radiation
7%
species diversity
10%
tolerance
29%
vicariance
14%