Notes: Top photo: both are the same species with variable flower petal colors Allardia stoliczkai C.B.Clarke. (is a synonym for the ambiguousWaldheimia stoliczkai (C. B. Clarke) Ostenf.; Waldheimia is the genus used for some Allardia species in Polunin and Stainton (1999)
Alternatively, species with white blossoms may be: Allardia tomentosa (Decne); and it resembles Anthemis altissima L. Missouri Bot Gard (2021); A. cotula (Stinking mayweed), but these two species both occur at lower elevations.
Common name: Mayweed
Family: Compositae
Information: “Habitat: Alpine zone species, occurring above 3500 m in gravelly sands among small stones in the vicinity of melting snow and glaciers… Distribution: Afghanistan, Pakistan, India (Himachal Pradesh), China (Western Tibet), Central Asia (Tian Shan, Pamir Alai and Kirgiz ranges)” (Miss Bot Gard 2021).
Photos: Main: Skinmang Glacier, ca. 4550 m. K. Hewitt, 2009
Bottom: a slope top in Thalle valley on a peak to the west of and above Mir Khun transect slopetop (collection made by local shepherd and guide Ibrahim), July 15, 2016. N. Hewitt [photo DSC 0296]
Sources and additional resources:
GBIF Secretariat (2021). Allardia stoliczkae C.B.Clarke in GBIF Backbone Taxonomy. Checklist dataset https://www.gbif.org/species/9443169 Accessed Jul 19 2021.
Polunin, O. and A. Stainton (1999). Flowers of the Himalaya. Oxford University Press, Delhi. Entry 665 (pp. 190; plate 62 and 63). Note: Waldheimia is a synonym for Allardia.
Missouri Bot Garden (2021). Allardia stoliczkae C.B.Clarke in Tropicos Flora of Pakistan. http://legacy.tropicos.org/Name/2744291?projectid=32 Accessed 19 Jul 2021
ibid.Allardia tomentosa Decne. in Tropicos Flora of Pakistan.
WFO (2021): Allardia tomentosa Decne. Online at: http://www.worldfloraonline.org/taxon/wfo-0000125766. Accessed 11 Jul 2021
WFO (2021): Allardia stoliczkai C.B.Clarke. Published on the Internet;
http://www.worldfloraonline.org/taxon/wfo-0000091013. Accessed 11 Jul 2021
