短語詞組短語pioneer tree species [林]先鋒樹種pioneer weed species 先鋒植物pioneer grass species 先鋒草種sub pioneer species 先鋒種non -pioneer species 非先鋒種Non Pioneer Species 非先鋒種pseudo -pioneer species 假先鋒種shade -intolerance pioneer species 耐隂頂極種 返回 pioneer species