| http://www.w3.org/ns/prov#value | - Species ca. 9 or 15 (2 in the flora): w North America, South America, Europe (including Mediterranean region), Asia, Africa; Polycarpon tetraphyllum introduced widely, including e North America, Australia.C. Mohr's (1901) report of Polycarpon alsinifolium (Bivona-Bernardi) de Candolle from Alabama was based on misidentification of P. tetraphyllum subsp. tetraphyllum.The shape of the sepal apex in
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