Your search for "Powder leaf" revealed the following:

Sponge material [Foliage cluster] Dark green : Woodland material Non-scale FC59

Real Ground Materials Summer Set of 5 Ground Powders : Accessories for Landscapes Materials 1:35-50 PSM001

Beech leaves and branches (N) - Autumn : Miniatures Nature Materials Non-scale 920-13

Powdery material Real Sand (0.03-0.6mm) Dark Brown : Molin Material Non-scale TR-05

Grape leaves: Japanese cleverness material 1:35 A-11

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

Field (with powder) Autumn, height 6mm: Martin Uhlberg Non-scale WB-PW605

Powdery material Real Sand (0.03-0.6mm) Natural : Norin material Non-scale TR-02

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

Dead leaves material chopped dry : JTT material Non-scale 95089

Field (with powder) early autumn Height 6mm: Martin Uhlberg Non-scale WB-PW604

Natural Wood Powder - Japanese Cypress [Coarse] Approx. 13g: Morin Material NW-11

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

Field (with powder) Autumn, height 2mm: Martin Uhlberg Non-scale WB-PW205

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

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

Natural wood powder chestnut [coarse] approx. 17g: Morin material NW-12

Poplar branches and leaves (N) - Autumn is in full swing : Miniatures Nature Materials Non-scale 913-14

Sponge material [Bush] Dark green : Woodland material Non-scale FC147

Powdery material Real Sand (0.03-0.6mm) Off-white : Molin Material Non-scale TR-01