一枝蕨葉的極簡標本海報

Text-free minimalist botanical poster with one pressed fern frond, a thin graphite rule and generous warm paper margin; precise specimen shadow and editorial hierarchy without type.

無文字極簡植物海報：一枝壓平的蕨葉、一條細石墨線與大面積暖紙留白；標本投影準確，版式層級清楚。