Perichaena longipes, a new species of slime mold discovered by my friend Laura Walker. Watercolor. 

Perichaena longipes, a new species of slime mold discovered by my friend Laura Walker. Watercolor. 

 
Cloudless Sulphur on oak leaf, found in north Florida sinkholes. Watercolor and gouache. 

Cloudless Sulphur on oak leaf, found in north Florida sinkholes. Watercolor and gouache. 

 
Identifying Agrocybe praecox. Watercolor, gouache, colored pencil and ink. 

Identifying Agrocybe praecox. Watercolor, gouache, colored pencil and ink. 

Mycorrhizal association between pine and Amanita muscaria. Colored pencil on duralene.

Mycorrhizal association between pine and Amanita muscaria. Colored pencil on duralene.

 
Tropical grasshopper. Black colored pencil on coquille board.

Tropical grasshopper. Black colored pencil on coquille board.

 
Post-Forest Fire Ecosystem, Glacier National Park. Ink and watercolor. 

Post-Forest Fire Ecosystem, Glacier National Park. Ink and watercolor. 

Domestic Pests. Watercolor, gouache, and colored pencil.

Domestic Pests. Watercolor, gouache, and colored pencil.

 
Life Cycle of a Myxomycete. Ink.

Life Cycle of a Myxomycete. Ink.

Bigleaf Maple. Ink.

Bigleaf Maple. Ink.

Boletes and Host Trees. Watercolor, gouache and colored pencil. 

Boletes and Host Trees. Watercolor, gouache and colored pencil. 

Magnified anatomy of a costa rican dragonfly. Left: cerci; Right: hamules. Ink.

Magnified anatomy of a costa rican dragonfly. Left: cerci; Right: hamules. Ink.