Dear Tabish, I feel 2 of your images seems other than Conyza japonica.
Eschenbachia japonica - Japanese Fleabane <https://www.google.com.au/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwi1ppmE6s_jAhWKRY8KHbH_DbUQjhx6BAgBEAM&url=https%3A%2F%2Fwww.flowersofindia.net%2Fcatalog%2Fslides%2FJapanese%2520Fleabane.html&psig=AOvVaw3S_TQ7nwv56sihqj1XomQ6&ust=1564135774246211> <https://www.google.com.au/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwi1ppmE6s_jAhWKRY8KHbH_DbUQjhx6BAgBEAM&url=https%3A%2F%2Fwww.flowersofindia.net%2Fcatalog%2Fslides%2FJapanese%2520Fleabane.html&psig=AOvVaw3S_TQ7nwv56sihqj1XomQ6&ust=1564135774246211> Thank you. Saroj Kasaju -- You received this message because you are subscribed to the Google Groups "efloraofindia" group. To unsubscribe from this group and stop receiving emails from it, send an email to indiantreepix+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/indiantreepix/CAEf%3DytTDcJaLco19qzBOv8hEJoz1_Bz-gkQ0UztCEkjwH0xGJA%40mail.gmail.com.