Journal Article 2 Research Support, Non-U.S. Gov't 2 exaptations Charophytes 1 adaptive zone 1 angiosperms 1 diversification drivers 1 mehr ... diversification rate shifts 1 earliest land plants 1 key innovations 1 plant evolution 1 plant terrestrialization 1 radiation 1 streptophyte algae 1 stress physiology 1 terrestrial algae 1 triggers 1 weniger ...