Table 1.

Showing the number of floating aquatic weed species of each genus.

S.#./Name of genus and family	Distribution		Number of species of each genus
	Pakistan	D.I.Khan (D.I.Khan district)	World	Pakistan		D.I.Khan
				Total	FP*	Total	FP*
1. Azolla (Azollaceae)	Punjab University, Badian Road, Ravi Ntional Park Lahore, and is expected in Mian Wali District, Dera Ghazi Khan District. Bakar Lake	Pahar pur sewrage canal, Common in water canal near Awan Petrol Pump c. 30kilometer from D.I.Khan towards northeast.	7	1	1	1	1
2. Lemna (Lemnaceae)	Peshawar; Pubi, Hazara, Shogran, Rawalpindi; Lahore; D.I.Khan; Quetta, Rohri, Karachi, Kashmir.	Very common in ponds and still water of waste places of the area.	15	5	5	2	2
3. Marsilea (Marsileaceae)	Common in ponds, irrigation channels water channels.	Common in ponds, irrigation channels water channels.	c.65	2	2	1	1
4. Nelumbo (Nelumbonaceae)	Lahore: D.I.Khan, Bakar Lake, Keenjhar Lake	Found in ponds, standing water, near DIKhan bridge.	2	1	1	1	1
5. Nymphoides (Menyanthaceae)	Attock district: Hattian Bridge; Thatta district: Haleji Lake; D.I.Khan.	D.I.Khan: Found in standing water, 2kilometer from Qureshi More on way to Bhakkar	20	3	3	2	2
6. Pistia (Araceae)	Dera Ismail, Khan District; Lahore district	Ponds near Dhappan Wali Basti, canal near Awan petrol pump, Pahar pur canal, Syed Alian, D.I.Khan Bridge	1	1	1	1	1
7. Potamogeton (Potamogeotnaceae)	Pakistan south-ward to Sind and Baluchistan; Swat: Dir; Hazara District; Karakorum Highway; Skardu, Baltistan; Hangu; Phoosna Lake, Bakar Lake, Rawal Dam, Wah Garden Keenjhar Lake	Common in Badari Dam at Khaisore Range; ponds near Darya, Khan Bridge	c.100	11	2	5	1
8. Ricciocarpus (Ricciaceae)	D.I.Khan; Bakar Lake	Common in Pahar pur sewrage canal	1	1	1	1	1
9. Spirodela (Lemnaceae)	Phoosna Lake, Bakar Lake, Rawal Dam, Wah Garden, Keenjhar Lake	Common in ponds near Dhappan Wali Basti.	3	1	1	1	1

^*FP = Floating Plant