baby tooth moss plant (plagiomnium cuspidatum) peristome on the sporangium - 19th century - 種子散播 植物學 幅插畫檔、美工圖案、卡通及圖標
field mushroom fungus (agaricus campestris) magnification of lamella basidia - 19th century - 種子散播 植物學 幅插畫檔、美工圖案、卡通及圖標
the winged fruit of ptelea (commonly known as the hop tree or wafer ash) is a dry, papery, circular to kidney-shaped samara - 種子散播 植物學 幅插畫檔、美工圖案、卡通及圖標
mold fungi, mucor mucedo, aspergillus niger and penicillium crustaceum reproductive structures - 種子散播 植物學 幅插畫檔、美工圖案、卡通及圖標
marsh st. john’s wort flower (triadenum) septicidal dehiscence fruit - 19th century - 種子散播 植物學 幅插畫檔、美工圖案、卡通及圖標