Multiclavula mucida

Scientific name: Multiclavula mucida (Fries) Petersen  
Derivation of name: Mucid- means "slimy." 
Synonyms: Clavaria mucida  
Common name(s):  White green-algae coral
Phylum:   Basidiomycota
Order:   Agaricales
Family:   Clavariaceae
Occurrence on wood substrate: Saprobic; scattered or
grouped on algae-covered, wet, rotting wood; July through
September.   
Dimensions:  These tiny white clubs are up to 15 mm tall and
1-1.5 mm wide.  
Description: These white, slender, cylindrical clubs are simple
or rarely forked.         
Edibility: Unknown.  
Comments:  This lichenized coral fungus is always found in
association with green algae on debarked logs. 

    

Figure 1. These specimens were brought in at a foray.
Although tiny, they are fairly conspicuous when you know
what they look like.