Helianthemum chamaecistus subsp. obscurum (Pers.) Čelak. Prodr. Fl. Böhmen : 483 (1875)

Nomenclatural References

• person : Ladislav Josef Čelakovský (1834-1902) Based on occurrence of standard abbreviation 'Čelak.' in the authors string.
• database : The Plant List version 1.0, record: tro-7600172
• database : The Plant List version 1.1, record: tro-7600172