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Australian Biological Resources Study

Checklist of the Lichens of Australia and its Island Territories
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References
Endocarpon pusillum Hedw.
  Descr. Micr.-Anal. Musc. Frond. 2: 56 (1789). T: Europe; n.v.  
  Squamae usually appressed, scattered, contiguous to imbricate, rounded to weakly or deeply lobate, plane to convex, rarely concave, matt, pale grey-brown, greenish brown, dark reddish brown or brown-black, (0.5–) 1–3 (–4) mm wide, 0.15–0.3 mm thick; margins concolorous, deflexed to revolute, usually entire; undersurface dark brown, anchored by concolorous branched 0.05–0.2 (–0.3) mm thick rhizines. Perithecia immersed, 1–10 per squama; apex plane to convex, concolorous to black, 0.15–0.3 mm diam.; ostiole inconspicuous to slightly depressed. Centrum 0.2–0.4 mm wide. Exciple 20–30 µm thick, brown-black. Periphyses 40–60 µm long. Asci 2-spored, 68–100 × 23–28 µm. Ascospores broadly ellipsoidal, elongate-ellipsoidal or subcylindrical, 29–58 × 14–28 µm, pale to dark brown.
  Occurs on soil and, rarely, on siliceous rocks in W.A., S.A., western Qld, N.S.W., A.C.T. and Vic.; also throughout most of western Eurasia as well as Macaronesia, North Africa, India, China, New Zealand, the Hawaiian Is. and eastern North America.  
  McCarthy (2001d)  

Checklist Index
Introduction | A–D | E–O | P–R | S–Z | Oceanic Islands | References

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