Cirsium argyracanthum DC., 640 1838. (Syn: Carduus argyracanthus Wall. [Illegitimate]; Cirsium stenobracteatum Gilli; Cnicus argyracanthus (DC.) C.B.Clarke; Echenais cirsioides DC.);
Asteraceae Fortnight Part 2-Discoid Heads: Cirsium for id from near Chakrata – NS 43 : Attachments (7). 5 posts by 3 authors.
This robust thistle was shot from near Dak Pathar, during tour to Chakrata..
can this be Cirsium wallichii ?
Looks like C. argyracanthum DC. which is treated as synonym of C. verutum in Flowers of Himal and Nepal Plants but is distinct in white heads (FBI) and treated distinct even by The Plant List.
Annotated checklist of the flowering plants of Nepal (Cirsium verutum (D. Don) Spreng. with Cirsium argyracanthum DC. as syn.)
Encyclopedia of Life India Biodiversity Portal