Maianthemum Racemosum

Kalmia latifolia

Mycena haematopus

Annona squamosa - Custard Apple

I picked some Lycopodium obscurum (Ground Pine) I found while hiking.  The spores are extremely flammable due to a high fat content and were formerly used in flash photography and to make small explosions in circus shows.  I picked the strobili off one, squeezed it rigorously to rupture the sporangia, collected the fine yellow flour-like spores on paper and dumped some on a flame to see how flammable the spores from only one plant would be.

Thespesia populnea

Terminalia catappa - Indian Almond

Artomyces pyxidatus

Hygrocybe miniata