The first divergences among horsetail species occurred with the break-up of Pangaea.
Modelling that accounts for an incomplete fossil record doesn’t reject a pre-Cretaceous origin.
Darwin may indeed not have been referring to angiosperms broadly in his famous words to his friend.
Seeds were found to vary from one accession to the next in their cold storage longevity.
Extra care should be taken to avoid misinterpretation of data when looking at centuries-spanning specimens.
Accurate species prediction depended on adequate sampling and straightforward genetic background.
Apostasia nipponica is the first member of the early-diverging orchid clade found to be using this strategy.
The strategy may pave the way for reintroduction work in the future.
The finding bodes well for the survival of Lomas communities in the Atacama Desert under future climate change.
Study authors argue that suppression of one or both genes in different regions of the rachis prevented disarticulation.
More connectivity between steppe areas provide corridors for the reintroduction of flora and fauna.
This is the first confirmed finding of Myrtaceidites eucalyptoides outside Australia.
Transitional stages in fig relatives show increasingly enclosed flowers.
The locally abundant hybrid species is well-defined, but shows weak niche differentiation from its progenitors.