Your search for "Powder leaf" revealed the following:

Poplar branches and leaves (HO) - Autumn is in full swing : Miniatures Nature Materials - Non-scale 913-24

Insect-eaten dead leaves set : Reality in scale : Fredericks material, non-scale l3302

Poplar branches and leaves (HO) - Autumn is coming : Miniatures Nature Materials Non-scale 913-23

Natural wood powder - Zelkova [coarse] approx. 19g : Morin material NW-13

Field (with powder) Autumn - 12mm height: Martin Uhlberg - Non-scale WB-PW125

Powdered material asphalt road 1:150 White line: Molin material N (1:150) 701

Powdery material Snow powder (0.4 - 0.6 mm) City snow : Molin material Non-scale 512

Poplar branches and leaves (N) - fresh green : Miniatures Nature Materials Non-scale 913-11

Powdery material Real Sand (0.03 - 0.6mm) Brown : Molin material Non-scale TR-04

Bamboo forest, fallen leaves : Kigusa BUNKO material, Non-scale, T7

1:48-1:87 Palm leaves #1 : Joe-Fix material 1:87-1:48 scale JF258

Powdery material [Fruit] Fruit (red, orange) : Woodland material, non-scale T47

Maple leaves (brown): Wako material 1:35 B-4

Peeled type (pasture with powder) Autumn, height 4.5mm : Martin Uhlberg Non-scale WB-PW245

Palm leaf: Japanese cleverness material 1:35 A-15

Peeled type (with wilderness powder) Autumn, height 6mm : Martin Uhlberg Non-scale WB-PW265

Poplar branches and leaves (N) - Autumn : Miniatures Nature Materials Non-scale 913-13

Field (with powder) Autumn, height 4.5mm: Martin Uhlberg Non-scale WB-PW405

Natural Wood Powder - Japanese Cypress [Fine-grained] Approx. 14g: Morin Material NW-01

Matte type (meadow) 12mm high, early autumn with powder : Martin Uhlberg Non-scale WB-M054