Placidium lacinulatum var. atrans
Taxonavigation
edit| Taxonavigation: Verrucariales |
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Superregnum: Eukaryota |
Familia: Verrucariaceae
Genus: Placidium
Species: Placidium lacinulatum
Varietas:
Placidium lacinulatum var. atrans
Name
editPlacidium lacinulatum (Ach.) Breuss var. atrans Breuss, 2000
Diagnosis: A varietate typica rhizinis excipulisque nigrescentibus distincta. Ascosporae 11-15 x 6-8 μm. Spermatia (sub)cylindrica, 4-6 x 1-1.5 μm.
Type: USA. MARYLAND. Cecil Co.: On soil with Psora icterica, in a serpentine barren with sparse grass, shrubby cover, and dead pine trees (Pinus sp.), on a hillside on the north/east shore of Conowingo Creek, several hundred yards east of Pilot Town Road (across from entrance to Girl Scout Camp), ca. ¾ mile southeast of Pilot, Pilot [Serpentine] Barrens, Nature Conservancy Property. elev. ca. 300 ft., UTM 18 397965E 4395175N (Lat. 39° 42' 08"N, Long. 76° 11' 25"W). 26.May.2003. J.C. Lendemer 867 = Lich. East. N. Amer. Exs. III: 102 (hb. Lendemer, holotype; ASU, B, BG, CANB, CBM, CHR, DOV, FH, GZU, H, HMAS, M, MIN, S, TSB, TNS, TU, UPS, W, isotypes).
References
editPrimary
edit- Breuss, in Lendemer, 2004
- Lendemer, J.C. (2004) Lichens of Eastern North America Exsiccati. Fascicle III, nos. 101-150. - Opuscula Philolichenum 1: 41–54. **[RLL List # 194 / Rec.# 25263] - (Recent Literature on Lichens)** (PDF file) (Discussion of Placidium lacinulatum var. atrans: p. 54)
Secondary
edit- Breuss, O. (2002) Placidium (pp. 384-393) In: Nash III, T.H.; Ryan, B.D.; Gries, C. and Bungartz, F. (eds.), Lichen Flora of the Greater Sonoran Desert Region, Vol. 1. Lichens Unlimited, Arizona State University, Tempe, Arizona, 532 pages. **[RLL List # 187 / Rec.# 23103] - (Recent Literature on Lichens)** (Discussion of Placidium lacinulatum: pp. 388-389; distribution map for the Sonoran region: p. 389; key to four varieties: p. 389)