Browsing by Author "Roberts, David L"

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How many species of flowering plants are there?

Joppa, Lucas N; Roberts, David L; Pimm, Stuart L (Proceedings. Biological sciences, 2011-02)

We estimate the probable number of flowering plants. First, we apply a model that explicitly incorporates taxonomic effort over time to estimate the number of as-yet-unknown species. Second, we ask taxonomic experts their ...