Pilosella mayeri (Vollm.) Soják

Long-stoloned Mouse-ear Hawkweed (Pilosella mayeri 

The Long-stoloned Mouse-ear Hawkweed is, or was, a unfixed natural occuring hybrid that was restricted to two localities, the Mittelberg near Tegernheim as well as the Scheuchenberg near Donaustauf, both in Bavaria, Germany.

This form is now apparently extinct.

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edited: 02.10.2020