Here you can find a pack of few fantasy plants. Triangle counts:
Plant 1 - 3900 tris
Plant 2_1 - 4000 tris
Plant 2_2 - 4200 tris
Plant 3_1 - 25000 tris
Plant 3_2 - 12000 tris
Plant 4_1 - 3400 tris
Plant 4_2 - 3650 tris
Plant 5 - 3300 tris
Plant 6 - 3000 tris
Plant 7 - 2650 tris
Plant 8 - 3150 tris
Plant 9 - 3150 tris
