Topic: Flora (flowers, plants, etc.)

The following Polish postage issues are related to flora:

Fischer 743-746 forest and mountain animals in Poland
Fischer 876-880 flowers
Fischer 948-955 mushrooms
Fischer 1177-1188 flowers
Fischer 1200 Cinchona succiruba flower
Fischer 1223 wheat
Fischer 1224 millet
Fischer 1225 rice
Fischer 1392-1403 garden flowers
Fischer 1463-1471 orchirds
Fischer 1548-1556 garden flowers
Fischer 1623-1628 therapeutic plants
Fischer 1634-1642 pastural flowers
Fischer 1689-1696 flowers
Fischer 1985-1994 flowering trees
Fischer 2067-2074 flowering shrubs
Fischer 2117 flowering tree
Fischer 2120 white lily
Fischer 2121 pastural flowers
Fischer 2123 forest with flowers
Fischer 2139 plants
Fischer 2148-2153 painted flowers
Fischer 2161-2163 flower embroideries
Sheet 47a and 47b flower embroideries
Fischer 2182-2189 garden fruits
Fischer 2223 Swiss pine
Fischer 2224 Spring gentian
Fischer 2226 Yew
Fischer 2228 Leopard's bane
Fischer 2340-2347 forest fruits
Fischer 2422-2427 trees
Fischer 2545-2550 mushrooms
Fischer 2558-2563 therapeutic plants
Fischer 2636-2643 succulent flowers
Fischer 2702 pastural flowers
Fischer 2758-2763 clematis flowers
Fischer 3066-3067 therapeutic plants
Fischer 3087 therapeutic plant
Fischer 3097-3098 therapeutic plants
Fischer 3121 therapeutic plant
Fischer 3129-3130 therapeutic plants
Fischer 3134-3139 protected plants
Fischer 3164-3165 pines
Fischer 3177 therapeutic plant
Fischer 3308-3309 pines
Fischer 3382-3383 pines
Fischer 3401-3402 decidious forest fruits
Fischer 3470-3475 mountain flora
Fischer 3833 hibiscus and tulips
Fischer 3928 storks
Fischer 3929-3932 birds: osprey
Fischer 3951-3954 freshwater flora
Fischer 4045 rose embroideries
Fischer 4082-4083 protected flowers