Larix decidua var. polonica, first described in 1930 by (Racib. ex Wóycicki) Ostenf. & Syrach Larsen, is commonly known as Polish larch. It is a specific variety of European larch the differs from the typical variety in the following ways:
- Seed cones are much smaller, only (1.5 cm) long and (1.2 cm) wide with complete upper margins on seed scales.
- Young shoots are much paler, almost white-buff in color.
Distribution. This variety is native to Poland's River Wista headwaters and possibly beyond.