Cladonia rei Schaerer
Wand lichen, cup lichen, sordid powderhorn
Wand lichen is present in virtually all temperate climates worldwide.
Identification: Fruticose stalks (podetia) are grayish-green, rough-surfaced, somewhat curved, and typically pointed on top. They look rough and dirty because they are coated with powdery looking reproductive structures called soredia. Tops of some are cup-shaped, with brown proliferations.
Habitats: Atop soil, clay, humus, turf, detritus, and dead leaves.
Online References:
References:
Cladonia nemoxyna (Ach.) Arnold
9/18/2009 · Acadia National Park, Bar Harbor, Maine · ≈ 5 × 3½″ (13 × 9.2 cm) 
ID is uncertain 
9/18/2009 · Acadia National Park, Bar Harbor, Maine · ≈ 4 × 2½″ (10 × 7 cm) ID is uncertain 
4/8/2021 · Long Reach Preserve, Harpswell, Maine · ≈ 8 × 5″ (20 × 13 cm) 
9/16/2016 · Cadillac Mountain South Ridge Tr, Bar Harbor, Maine 
9/18/2009 · Acadia National Park, Bar Harbor, Maine · ≈ 5 × 3″ (12 × 8.3 cm) ID is uncertain 
4/8/2021 · Long Reach Preserve, Harpswell, Maine · ≈ 10 × 6″ (24 × 16 cm) 
9/18/2009 · Acadia National Park, Bar Harbor, Maine · ≈ 11 × 7″ (27 × 18 cm) ID is uncertain 
9/16/2016 · Cadillac Mountain South Ridge Tr, Bar Harbor, Maine 
9/18/2016 · Barred Island Preserve, Deer Isle, Maine 
9/16/2016 · Cadillac Mountain South Ridge Tr, Bar Harbor, Maine 
9/18/2009 · Acadia National Park, Bar Harbor, Maine · ≈ 2½ × 2″ (7 × 5.6 cm) ID is uncertain 
| Kingdom | Fungi | Mushrooms, lichens, gel fungi, yeasts, and molds; also called eukaryotes |
| Division | Ascomycota | Sac fungi |
| Subdivision | Pezizomycotina | Sac fungi with filaments |
| Class | Lecanoromycetes | “Lichenized” fungi |
| Order | Lecanorales | Mostly lichen-forming fungi |
| Suborder | Lecanorineae | Lichens |
| Family | Cladoniaceae | Reindeer moss, cup lichen, others |
| Genus | Cladonia | “Cup lichen” |
| Species | rei | For Professor Re of Turin, who sent specimens to lichenologist Ludwig Schaerer, in 1823. Which professor Re is unknown |
Cladonia rei description by Thomas H. Kent, not updated.
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