Green Rock-Posy

Scientific Name:

Rhizoplaca melanophthalma

Type:

Lichen

Habitat:

Exposed rock types of basalt, granite, and schist that occur in pinyon-juniper woodland and up to high-elevation forests

Range:

North and South America, Asia, Europe, Africa, and Antarctica

Status:

No listed status

This species is

NATIVE

to the Truckee Meadows.

Identification:

Green rock-posy is a greenish-yellow lichen that grows 0.2 to 1 inch across. The thallus, or body made of the fungus portion, can range from small and leafy lobes to deeply lobed to cushion-shaped.

Fast Facts:

  • Can have one leaf (monophyllous) or many (polyphyllous).

  • Considered foliose, but can appear crustose-like.

  • The parasitic firedot lichen (Caloplaca epithalina) has been found to grow on green rock-posy.

  • Here in the Truckee Meadows, green rock-posy can be found at Hidden Valley Regional Park.

Sources:

Contributor(s):

Tessa Putz (research & content)

Alex Shahbazi (edits & page design)

Last Updated:

April 28, 2021, 4:36:51 PM