SQUAMULES: to 6 mm, weakly lobed, not sorediate
PODETIA: 10-25 mm tall, tapered, covered with fine soredia except at base
APOTHECIA: none
CHEMISTRY: medulla K+ faintly brownish, PD+ orange-red, UV- (fumarprotocetraric acid)
Common Name: Common Powderhorn
Pointy-stemmed cladonia with large squamules. Stems sorediate all over.
Several similar species include:
C. cornuta brownish, squamules less than 3 mm, corticate in patches below C. ochrochlora greenish, squamules over 3 mm, largest stems over 2 mm wide, corticate in bottom third to half C. coniocraea grayish, squamules over 3 mm, largest stems less than 2 mm wide, corticate only at very base C. subulata squamules disappearing, sorediate all over, on soil instead of wood
