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Julella lactea (A. Massal.) M. E. Barr  
Family: Thelenellaceae
[Blastodesmia lactea A. Massal., moreMicroglaena lactea (A. Massal.) Lönnr., Polyblastia lactea (A. Massal.) Trevis., Polyblastiopsis lactea (A. Massal.) Zahlbr., Pyrenula lactea (A. Massal.) Tuck., Sporodictyon lacteum (A. Massal.) Trevis., Verrucaria lactea (A. Massal.) Garov. nom. illegit.]
Julella lactea image
Troy McMullin
  • Greater Sonoran Desert
  • Resources
Nash, T.H., Ryan, B.D., Gries, C., Bungartz, F., (eds.) 2002. Lichen Flora of the Greater Sonoran Desert Region. Vol 1.
Thallus: continuous, immersed in the substrate upper surface: whitish, smooth dull photobiont: absent Perithecia: hemispherical, black, semi-immersed in the thallus, c. 0.4-1 mm diam. involucrellum: dark brown; exciple thin, pale brown ascomatal wall: black, absent below the hamathecium hamathecium: branched pseudoparaphyses, anastomosing above the asci; filaments: c. 1 micrometer wide, not inspersed with oil droplets asci: cylindrical to clavate, c. 70-90 x 20-23 micrometer, thick-walled, with 2-6, irregularly arranged ascospores ascospores: hyaline, long ellipsoid to clavate, densely muriform, 22-28 x 9-13 micrometer; walls: not ornamented, with a c. 2-4 micrometer wide gelatinous sheath Pycnidia: not seen Spot tests: all negative, UV negative Secondary metabolites: none detected. Substrate and ecology: on bark of various woody plants, including Euphorbia and Rhus World distribution: pantropical or possibly nearly cosmopolitan Sonoran distribution: collected several times in California (including the Channel islands), Baja California and in Sonora.
Julella lactea
Open Interactive Map
Julella lactea image
Julella lactea image
Julella lactea image
Julella lactea image
André Aptroot
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Julella lactea image
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Julella lactea image
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Julella lactea image
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This project made possible by National Science Foundation Awards: #1115116, #2001500, #2001394
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