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13 results for “Lecideaceae”
Data from: New taxa and a case of ephemeral spore production in Lecideaceae from western North America
Cyclohymenia epilithica is a newly described genus and species from Oregon and Washington, U.S.A. It occurs on noncalcareous rock in the oceanic forests west of the crest of the Cascade Range. Unlike most other North American species in the Lecideaceae, it is restricted to shady habitats in cool, wet, temperate climates. It is distinguished from other members of the family by its thick, pale gray green, epilithic thallus; immersed apothecia that superficially appear like perithecia or pycnidia; and ascocarps that usually contain a central sterile column surrounded by a ring-shaped hymenium. The structure and position of the ascocarp appear to be unique among Lecideaceae and related families. The species is also unusual in producing short-lived asci; most collections have barren apothecia. Lecidea atrobrunnea subsp. deplanaica is raised to the species level. The taxon deserves specific rank, not just from its distinctive chemistry, but also from morphology, distribution, and ecology that differ from L. atrobrunnea s.str. The newly described Lecidea uniformis from Oregon and Washington, mainly west of the Cascade crest, is similar in many ways to L. fuscoatra, but the areoles are uniformly brown and do not have a differentiated gray, blackish, or whitish edge. DNA sequence data support the taxa Cyclohymenia epilithica and L. uniformis.
Data from: New taxa and a case of ephemeral spore production in Lecideaceae from western North America
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Figure 8 from: Xie C-M, Wang L-S, Zhao Z-T, Zhang Y-Y, Wang X-Y, Zhang L-L (2022) Revision of Immersaria and a new lecanorine genus in Lecideaceae (lichenised Ascomycota, Lecanoromycetes). MycoKeys 87: 99-132. https://doi.org/10.3897/mycokeys.87.72614
Figure 8 Lecaimmeria mongolica (a–d SDNU20190354): a–b thallus c apothecial anatomy d ascospores. Scale bars: 1 mm (a–b); 20 μm (c); 10 μm (d).
Figure 1 from: Xie C-M, Wang L-S, Zhao Z-T, Zhang Y-Y, Wang X-Y, Zhang L-L (2022) Revision of Immersaria and a new lecanorine genus in Lecideaceae (lichenised Ascomycota, Lecanoromycetes). MycoKeys 87: 99-132. https://doi.org/10.3897/mycokeys.87.72614
Figure 1 Phylogenetic tree constructed from Maximum Likelihood analyses in Lecideaceae, based on the concatenated nrITS-nrLSU-RPB1-RPB2-mtSSU dataset. Maximum Likelihood bootstrap probabilities above 70% (left) and Bayesian Inference posterior probabilities above 0.9 (right) are given at the nodes.
Figure 5 from: Xie C-M, Wang L-S, Zhao Z-T, Zhang Y-Y, Wang X-Y, Zhang L-L (2022) Revision of Immersaria and a new lecanorine genus in Lecideaceae (lichenised Ascomycota, Lecanoromycetes). MycoKeys 87: 99-132. https://doi.org/10.3897/mycokeys.87.72614
Figure 5 Immersaria ferruginea (a–cKUN 20–69144): a–b thallus c apothecial anatomy. I. shangrilaensis (d–fKUN 18–60430): d–e thallus f apothecial anatomy. Scale bars: 1 mm (a–b, d–e); 20 μm (c, f).
Figure 2 from: Xie C-M, Wang L-S, Zhao Z-T, Zhang Y-Y, Wang X-Y, Zhang L-L (2022) Revision of Immersaria and a new lecanorine genus in Lecideaceae (lichenised Ascomycota, Lecanoromycetes). MycoKeys 87: 99-132. https://doi.org/10.3897/mycokeys.87.72614
Figure 2 Phylogenetic tree constructed from Maximum Likelihood analyses in Immersaria, based on the concatenated nrITS-nrLSU-RPB1-RPB2 dataset. Maximum Likelihood bootstrap probabilities above 70% (left) and Bayesian Inference posterior probabilities above 0.9 (right) are given at the nodes. Solid brown rectangle: thallus brown; solid orange rectangle: thallus yellow brown to orange brown; solid red rectangle: thallus rusty; hollow brown rectangle: thallus pale yellow brown. Solid green circle: green epihymenium; solid grey circle: without apothecia; hollow green circular: brown epihymenium.
Figure 7 from: Xie C-M, Wang L-S, Zhao Z-T, Zhang Y-Y, Wang X-Y, Zhang L-L (2022) Revision of Immersaria and a new lecanorine genus in Lecideaceae (lichenised Ascomycota, Lecanoromycetes). MycoKeys 87: 99-132. https://doi.org/10.3897/mycokeys.87.72614
Figure 7 Lecaimmeria botryoides (a–dKUN 20–66730): a–b thallus c apothecial anatomy. L. lyagea (e–hKUN 20–69070): e–f thallus g apothecial anatomy h scospores. Scale bars: 1 mm (a–b, e–f); 20 μm (c, g); 10 μm (d, h).
Figure 10 from: Xie C-M, Wang L-S, Zhao Z-T, Zhang Y-Y, Wang X-Y, Zhang L-L (2022) Revision of Immersaria and a new lecanorine genus in Lecideaceae (lichenised Ascomycota, Lecanoromycetes). MycoKeys 87: 99-132. https://doi.org/10.3897/mycokeys.87.72614
Figure 10 Lecaimmeria tibetica (a–eKUN XY19–1288): a–b thallus c apothecial anatomy d ascus e ascospore. L. tuberculosa (f–iKUN 18–58864): f thallus g conidiomata h apothecial anatomy i ascospores. Scale bars: 1 mm (a–b, f–g); 20 μm (c); 50 μm (h); 10 μm (d, e, i).
Figure 4 from: Xie C-M, Wang L-S, Zhao Z-T, Zhang Y-Y, Wang X-Y, Zhang L-L (2022) Revision of Immersaria and a new lecanorine genus in Lecideaceae (lichenised Ascomycota, Lecanoromycetes). MycoKeys 87: 99-132. https://doi.org/10.3897/mycokeys.87.72614
Figure 4 Immersaria athroocarpa (a–e SDNU20190227): a–b thallus c apothecial anatomy d ascus e ascospores. I. aurantia (f–jKUN XY19–1290): f–g thallus h apothecial anatomy i ascus j ascospores. Scale bars: 1 mm (a–b, f–g); 20 μm (c, h); 10 μm (d–e, i–j).
Figure 6 from: Xie C-M, Wang L-S, Zhao Z-T, Zhang Y-Y, Wang X-Y, Zhang L-L (2022) Revision of Immersaria and a new lecanorine genus in Lecideaceae (lichenised Ascomycota, Lecanoromycetes). MycoKeys 87: 99-132. https://doi.org/10.3897/mycokeys.87.72614
Figure 6 Immersaria venusta (a–dKUN 20–66725): a–b thallus c apothecial anatomy d ascus. Scale bars: 1 mm (a–b); 20 μm (c); 10 μm (d).
Supplementary material 1 from: Xie C-M, Wang L-S, Zhao Z-T, Zhang Y-Y, Wang X-Y, Zhang L-L (2022) Revision of Immersaria and a new lecanorine genus in Lecideaceae (lichenised Ascomycota, Lecanoromycetes). MycoKeys 87: 99-132. https://doi.org/10.3897/mycokeys.87.72614
Table S1
Figure 9 from: Xie C-M, Wang L-S, Zhao Z-T, Zhang Y-Y, Wang X-Y, Zhang L-L (2022) Revision of Immersaria and a new lecanorine genus in Lecideaceae (lichenised Ascomycota, Lecanoromycetes). MycoKeys 87: 99-132. https://doi.org/10.3897/mycokeys.87.72614
Figure 9 Lecaimmeria orbicularis (a–eKUN 20–66753): a–b thallus c apothecial anatomy d ascus (Lugol's iodine) e ascospores. L. qinghaiensis (f–iKUN 20–68696): f–g thallus h apothecial anatomy i ascus. Scale bars: 1 mm (a–b, f–g); 20 μm (c, h); 10 μm (d, e, i).
Figure 3 from: Xie C-M, Wang L-S, Zhao Z-T, Zhang Y-Y, Wang X-Y, Zhang L-L (2022) Revision of Immersaria and a new lecanorine genus in Lecideaceae (lichenised Ascomycota, Lecanoromycetes). MycoKeys 87: 99-132. https://doi.org/10.3897/mycokeys.87.72614
Figure 3 Phylogenetic tree constructed from Maximum Likelihood analyses in Lecaimmeria, based on the concatenated nrITS-nrLSU-RPB1-RPB2 dataset. Maximum Likelihood bootstrap probabilities above 70% (left) and Bayesian Inference posterior probabilities above 0.9 (right) are given at the nodes. Solid purple rectangle: areolae margin white; solid grey rectangle: areolae margin black; hollow purple rectangle: areolae margin jade green pigmented. Solid blue circle gyrophoric acid; hollow blue circle: none.
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