
Carnival candy slime mold (Arcyria denudate). ID tentative. Rose Tree Park, Media, PA.

White coral slime (Ceratiomyxa fruticulosa). Kaaterskill Falls, Hunter, NY.

White coral slime (Ceratiomyxa fruticulosa) fruiting body. Kaaterskill Falls, Hunter, NY.

Honeycomb slime mold (Ceratiomyxa fruticulosa) on rotting log. Mohonk Mountain House, New Paltz, NY.

Plasmodium of Cribraria aurantiaca. Found under bark of pine tree. Smedley Park, Springfield, PA.

Plasmodium of Cribraria aurantiaca. Found under bark of pine tree. Smedley Park, Springfield, PA.

Plasmodium of Cribraria aurantiaca. Found under bark of pine tree. Smedley Park, Springfield, PA.

Plasmodium of Cribraria aurantiaca. Found under bark of pine tree. Smedley Park, Springfield, PA.

Immature Dictydiaethalium plumbeum. ID tentative. On rotting log, Rock Creek Park, Washington, D.C.

Immature Dictydiaethalium plumbeum. ID tentative. On rotting log, Rock Creek Park, Washington, D.C.

Pretzel slime mold (Hemitrichia serpula. Smedley Park, Springfield, PA.

Wolf’s milk (Lycogala epidendrum). Swarthmore, PA.

Mature aethelia of wolf’s milk slime (Lycogala epidendrum). Villanova, PA.

Unidentified myxomycete. Smedley Park, Springfield, PA.

Many-headed slime mold (Physarum sp.) growing on the surface of a leaf. Kaaterskill Creek, Hunter, New York.

Physarum viride fruiting bodies. John Heinz National Wildlife Refuge, Philadelphia, PA.

Chocolate tube slime mold (Stemonitis sp.) fruiting body on beech stump. ID tentative. Swarthmore, PA.