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Dibaeis baeomyces

 

Pink earth lichen

ParentsUnknownGenus is not in the current taxonomy
GenusDibaeis
Speciesbaeomyces

About plant names...

Pink earth lichen is native throughout eastern North America. It grows on unstable soils such as clay and loose sand, in full sun. It is often visible along roadsides, and spreads quickly on disturbed ground.

Plants: Gray or white, crustose, smooth or with a powdery appearance with rounded or flattened “warts.” The warts are up to ¹/₃₂" (1 mm) in size in sterile plants. In fertile plants, they are less than a third of a millimeter in size.

Fruits: The apothecia, or fruiting bodies, are pale pink, ¹/₃₂-⅛" (1-4 mm) around, on tiny white stalks—they resemble tiny pink mushrooms. The white stalks are usually clearly visible.

These are closely similar:

 

Dibaeis baeomyces (pink earth lichen)

4/23/2010 · Nashua Rail Trail, Ayer, Mass­a­chu­setts
≈ 4½ × 7" (11 × 17 cm)

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Dibaeis baeomyces

Icmadophila ericetorum
Common Name

pink earth lichen

Plant Gray or white, crustose, smooth or with a powdery appearance with rounded or flattened “warts.” The warts are up to ¹/₃₂" (1 mm) in size in sterile plants. In fertile plants, they are less than ⅓ mm. Crustose, looking a bit like spilled paint, thinly coating its substrate with a greenish-grayish (often described as mint green), granular surface.
Fruit The apothecia, or fruiting bodies, are pale pink, ¹/₃₂-⅛" (1-4 mm) around, on tiny white stalks—they resemble tiny pink mushrooms. The white stalks are usually clearly visible. Apothecia, are pinkish, pale orange, or brownish, and ¹/₃₂-⅛" (1.5-4 mm) in diameter. They are rounded, and wrinkled, a bit like brains. They are often in clusters. They look a bit like tiny mushroom caps. They are usually stalkless, but may have short stalks
Habitats Unstable soils such as clay and loose sand, in full sun. On peat, rotting logs, humus, turf, clay, dead mosses, in shaded areas.
Type Wild Wild

 

Online References:

Dibaeis baeomyces on Wikipedia

Dibaeis baeomyces on Wikimedia Commons (photos)

Dibaeis baeomyces on lichenportal.org

Dibaeis baeomyces on Stephen Sharnoff Photography (excellent photos)

References:

Brodo, Irwin M.; Sharnoff, Sylvia Duran; Sharnoff, Stephen, Lichens of North America, Yale University Press, 2001, p. 299-300

Dibaeis baeomyces (pink earth lichen)

4/24/2010 · Nashua River Rail Trail, Ayer, Mass­a­chu­setts
≈ 4½ × 3" (11 × 7.9 cm)

Dibaeis baeomyces (pink earth lichen)

9/29/2010 · Nashua River Rail Trail, Ayer, Mass­a­chu­setts
≈ 3 × 4½" (7.9 × 11 cm)

Dibaeis baeomyces description by Thomas H. Kent, last updated 1 Jan 2021.

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Dibaeis baeomyces (pink earth lichen)

9/29/2010 · Nashua River Rail Trail, Ayer, Mass­a­chu­setts
≈ 3 × 4½" (7.9 × 11 cm)

Dibaeis baeomyces (pink earth lichen)

4/24/2010 · Nashua River Rail Trail, Ayer, Mass­a­chu­setts
≈ 4½ × 3" (11 × 7.9 cm)

Dibaeis baeomyces (pink earth lichen)

9/18/2017 · Purgatory Falls, Mont Vernon, New Hamp­shire
≈ 6 × 4" (16 × 11 cm)