Well, always good to know some plants' name, isn't it?
Pine - Fenyő
Maple - Juhar
Rose - Rózsa
Dandelion - Pitypang or Kutyatej, but you also can say Gyermekláncfű
Grass - Fű
Sunflower - Napraforgó
Lily - Liliom
Lilac - Orgona
Oak - Tölgy
And for now, this is enough~
Do you want to know anything, like other plants or something in hungarian?