Medicine & Life Sciences
Apomixis
100%
Pteridaceae
97%
Ferns
76%
Droughts
74%
Phylogeny
15%
Plant Germ Cells
12%
Extreme Environments
10%
Plastids
10%
Water
8%
Ploidies
8%
Spores
7%
Life Cycle Stages
7%
Reproduction
6%
Temperature
4%
Light
4%
Agriculture & Biology
Pteridaceae
69%
apomixis
60%
ferns and fern allies
48%
drought
36%
deserts
11%
environmental factors
7%
sporophytes
7%
phylogeny
6%
gametophytes
6%
dry environmental conditions
6%
sexual reproduction
6%
ploidy
6%
genetic factors
5%
plastids
5%
light intensity
5%
life cycle (organisms)
4%
water
4%
spores
4%
tissues
2%
temperature
2%
methodology
1%
Earth & Environmental Sciences
apomixis
89%
fern
54%
drought
36%
phylogeny
13%
ploidy
10%
gametophyte
10%
sporophyte
10%
sexual reproduction
9%
plastid
9%
reproductive strategy
8%
rarity
7%
abiotic factor
7%
light intensity
7%
spore
6%
environmental factor
5%
life cycle
5%
tissue
4%
water
4%
method
1%