Keys in Flora of Bhutan:
1. Stems prostrate or ascending; basal leaves 3(-5)-lobed; ligules white or sometimes pink. 5mm . . .. 1. E. karvinskianus
+ Stems +/- erect; basal leaves unlobed or ligules purplish or blue: ligules 2—4 or 8— 15mm . . . . . . .. 2
2. Eligulate female flowers present between ray and disc flowers . .. .. 3
+ Eligulate female flowers absent . . . . . . . .. 4
3. Leaves entire. glabrous or sparsely pubescent . .. 2. E. acer (? E. acris)
+ Leaves coarsely toothed. white pubescent . . . . … 3. E. sublyratus
4. Stems 15—45cm; involucres 1.5—2.5cm across; rays numerous. 120—200; ligules 8-15mm . . .. 4. E. multiradiatus
+ Stems 10-15cm; involucres 1-1.5cm across; rays fewer. 50-100. ligules c 10mm . .. 5. E. bellidioides (syn. of Erigeron emodi I. M. Turner)
Erigeron annuus (L.) Pers. (heads solitary or few on long stalks in E.emodi compared to many in corymbose panicles in E.annuus)
Erigeron emodi I. M. Turner (Stem erect) (heads solitary or few on long stalks in E.emodi compared to many in corymbose panicles in E.annuus)
(Jammu & Kashmir (Kashmir), India (E- & NE-India, Himalayas, Himachal Pradesh, Uttar Pradesh, Sikkim, Meghalaya), Bhutan, Nepal, Pakistan (Swat, Hazara, Murree) as per Catalogue of life)
Erigeron karvinskianus DC. (Stems prostrate or ascending as per Flora of Bhutan)
(Mexico to Venezuela; Native to: Colombia, Costa Rica, El Salvador, Guatemala, Honduras, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Southeast, Mexico Southwest, Panamá, Venezuela; Introduced into: Algeria, Assam, Austria, Azores, Baleares, California, Canary Is., Chatham Is., China Southeast, Corse, Dominican Republic, East Himalaya, Ecuador, Fiji, France, Germany, Great Britain, Haiti, Hawaii, India, Ireland, Italy, Jamaica, Jawa, Leeward Is., Madeira, Mauritius, Morocco, Myanmar, Nepal, Netherlands, New Caledonia, New South Wales, Norfolk Is., Northern Provinces, Peru, Portugal, Réunion, Sicilia, South Australia, Spain, Sri Lanka, Swaziland, Sweden, Switzerland, Tasmania, Victoria, Western Australia, Windward Is., Zimbabwe as per POWO)
Erigeron page (Asteraceae (Compositae)) with images of species in efloraofindia : 1 post by 1 author.
If you find any mis-identification, pl. let us know.
If anybody can send images of other species of this genera (for incorporation in the website), it will be really nice. Also, if anybody is interested to take up the activity of inserting images on efloraofindia pages from efloraofindia posts, pl. let us know.