Psammogeton diffusus (Roxb. ex Sm.) Rech.f. ex Pimenov

Flora of Pakistan；Seseli diffusum (Roxb. ex Sm.) Santapau & Wagh in Bull. Bot. Surv. Ind. 5:108. 1963；http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=250063028
Checklist of Plants of India；Seseli diffusum (Roxb. ex Sm.) Santapau & Wagh., Bull. Bot. Surv. India 5: 108. 1963；https://efloraindia.bsi.gov.in/eFlora/speciesDesc_PCL.action?species_id=28098

Psammogeton diffusus (Roxb. ex Sm.) Rech.f. ex Pimenov；This species is accepted；https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77303603-1

Psammogeton diffusus (Roxb. ex Sm.) Rech.f. ex Pimenov, Pl. Syst. Evol. 305(1): 57 (2018).
- Ligusticum diffusum Roxb. ex Sm., Cycl. [A. Rees], (London ed.) 21(2): Ligusticum no. 11 1812；https://www.biodiversitylibrary.org/page/38763200#page/25/mode/1up
  - Cnidium diffusum (Roxb. ex Sm.) DC., Prodr. [A. P. de Candolle] 4: 153 1830；https://www.biodiversitylibrary.org/page/152299#page/158/mode/1up
  - Seseli diffusum (Roxb. ex Sm.) G.Hend. & Hume, Lahore to Yārkand [Henderson & Hume] 321 1873；https://www.biodiversitylibrary.org/page/47162172#page/447/mode/1up
    - Seseli diffusum (Roxb. ex Sm.) Santapau & Wagh, Bull. Bot. Surv. India 5: 108 1963；https://archive.org/details/nelumbo-2455-376x-5-002-105-109/page/n3/mode/1up

Seseli diffusum (Roxb. ex Sm.) Santapau & Wagh；Pataskar, J. Bombay Nat. Hist. Soc. 67: 126 1970；https://www.biodiversitylibrary.org/page/47819686#page/180/mode/1up

Seseli indicum Wight & Arn.；This name is a synonym of Psammogeton diffusus；https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:848584-1

Seseli indicum Wight & Arn., Prodr. Fl. Ind. Orient. 1: 371 1834；https://www.biodiversitylibrary.org/page/3609252#page/410/mode/1up

Seseli indicum Wight & Arn.；Kirtikar, Ind. Med. Pl. 3: 626 T.481 1918；https://www.biodiversitylibrary.org/item/233413#page/702/mode/1up
- Illustration T.481；https://www.biodiversitylibrary.org/item/233427#page/490/mode/1up
Seseli indicum Wight & Arn.；C.B.Clarke, Fl. Brit. India [J. D. Hooker] 2(6): 693 1879；https://www.biodiversitylibrary.org/item/13815#page/698/mode/1up
Seseli indicum Wight & Arn.；Gamble, Fl. Madras 581 1915；https://www.biodiversitylibrary.org/page/18725183#page/653/mode/1up
Seseli indicum Wight & Arn.；Royle, Ill. Bot. Himal. Mts. [Royle] 229 1836；https://www.biodiversitylibrary.org/page/2912860#page/327/mode/1up

Psammogeton canescens

Psammogeton canescens (DC. ex Boiss.) Vatke；This species is accepted；https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:847541-1

Psammogeton canescens (DC.) Vatke, Index Seminum [Berlin] 3 1876
Athamanta canescens DC., Prodr. [A. P. de Candolle] 4: 155 1830；https://www.biodiversitylibrary.org/page/152301#page/160/mode/1up
- Athamanta canescens DC. ex Boiss.；Boissier, Fl. Orient. [Boissier] 2: 971 1872；https://www.biodiversitylibrary.org/page/18112490#page/979/mode/1up

《中国植物志》第55(2)卷 (1985) >> 235页 PDF >> 长茎藁本 Ligusticum thomsonii；https://www.iplant.cn/info/Ligusticum%20thomsonii?t=z
FOC Vol. 14 Page 142；3. Ligusticum thomsonii C. B. Clarke in J. D. Hooker, Fl. Brit. India. 2: 698. 1879.；长茎藁本；http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200015669
Flora of Pakistan；Ligusticum thomsonii C.B. Clarke in Hook. f., Fl. Brit. Ind. 2: 698. 1879；http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=200015669
Checklist of Plants of India；Seseli mucronatum (Schrenk) Pimenov & Sdobnina, Byull. Moskovsk. Obshch. Isp. Prir., Otd. Biol. 78: 139. 1973；https://efloraindia.bsi.gov.in/eFlora/speciesDesc_PCL.action?species_id=28107

Ligusticum thomsonii C.B. Clarke in Hook.f., Fl. Brit. India 2: 698. 1879.

Ligusticum thomsonii C.B.Clarke；This species is accepted；https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:844635-1

Ligusticum thomsonii C.B.Clarke, Fl. Brit. India [J. D. Hooker] 2(6): 698 1879；https://www.biodiversitylibrary.org/page/357916#page/703/mode/1up