Lamium amplexicaule var. clandestinum Rchb.

, Iconographia Botanica seu Plantae Critica 8 (1830).
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:50265-3
Publication
Iconographia Botanica seu Plantae Critica 8
Family as entered in IPNI
Lamiaceae

Remarks

Hegi, Fl. Mitteleur. 5(4) (1927) 2454 treats this as a forma.