Checklist of Plants of India

Epithemia sorex Kütz., Bacillarien 33: pl. 5, fig. 12. 5. a, b, c. 1844. var. sorex.

Freshwater – Himachal Pradesh (Kumar & al. 2012), Jammu & Kashmir (Mohan & Vora 1988), Karnataka (Gandhi 1956a, 1966; Hosmani 2012), Maharashtra (Gandhi 1961b; Sarode & Kamat 1984), Peninsular India (Karthick & al. 2013), Uttar Pradesh (Tripathi & al. 2012).
var. gracilis Hust., Int. Rev. Hydrobiol. Hydrogr. 10: 237, pl. 3: fig. 4. 1922.
Freshwater – Telengana (Venkateswarlu 1983), Uttarakhand (Nautiyal & al. 1995).