Page 143 - 《广西植物》2020年第2期
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ascospores muriformꎻ presence of psoromic acid. cool ̄temperate to warm ̄temperate rainforests. Tasmaniaꎬ
Ecology and Distribution: On bark. French Guianaꎬ New Zealandꎬ Argentinaꎬ Australia ( Mangold et al.ꎬ
Brazilꎬ Costa Rica (Nylanderꎬ 1867ꎻ Redingerꎬ 1936)ꎬ 2009ꎻ Lumbsch et al.ꎬ 2010).
Venezuela (Kalbꎬ 2009). Schizotrema subzebrinum Mangoldꎬ in Mangold ꎬ
Schizotrema flavolucens ( Sipman ) Lückingꎬ in Elix & Lumbschꎬ Fl. Australia 57: 657 (2009).
Lückingꎬ Mangold & Lumbschꎬ Herzogia 29: 506 Schizotrema subzebrinum is characterized by incon ̄
( 2016 ). — Myriotrema flavolucens Sipmanꎬ Trop. spicuousꎬ erumpentꎬ distinctly layered and distinctly car ̄
Bryol. 6: 5 (1992). bonized ascomataꎻ asci 8 ̄sporedꎻ ascospores hyalineꎬ
Schizotrema flavolucens is characterized by conspi ̄ non ̄amyloidꎬ 20-35 μm × 7-10 μmꎬ submuriformꎬ with
cuousꎬ layered ascomata with carbonized proper excipleꎻ 10 - 14 × 1 - 2 ( - 3) loculesꎻ absence of lichen
asci 8 ̄sporedꎻ ascospores hyalineꎬ non ̄amyloidꎬ 18-25 substances.
μm × 7-11 μmꎬ transversely septateꎬ with (3-) 5 (-6) Ecology and Distribution: On bark in warm ̄tem ̄
loculesꎻ presence of lichexanthone. perate rainforest. NSW (Mangold et al.ꎬ 2009).
Ecology and Distribution: On twigs in humid Schizotrema zebrinum Mangoldꎬ in Mangoldꎬ Elix
savannah vegetation on sandstone flats at tableland. & Lumbschꎬ Fl. Australia 57: 657 (2009).
Veneznela (Sipmanꎬ 1992). Schizotrema zebrinum is characterized by conspi ̄
Schizotrema schizolomum (Müll. Arg.) Mangold & cuousꎬ layered ascomata with carbonized thick proper
Lumbschꎬ in Mangoldꎬ Elix & Lumbschꎬ Fl. Australia excipleꎻ asci 6-8 ̄sporedꎻ ascospores hyalineꎬ non ̄amy ̄
57: 657 (2009). — Leptotrema schizoloma Müll. Arg.ꎬ loidꎬ 30-80 μm × 6-11 μmꎬ transversely septateꎬ with
Nuov. Giorn. Botan. Ital. 21: 49 (1889). 12 - 22 loculesꎻ presence of variable chemistry
Schizotrema schizolomumis characterized by regener ̄ containing stictic acidꎬ constictic acidꎬ conprotocetraric
atingꎬ distinctly layered and carbonized ascomataꎻ 1-4 acidꎬ protocetraric acidꎬ and so on (major to absent).
(- 6) spored asciꎻ largeꎬ thin walledꎬ mainly non ̄ Ecology and Distribution: On bark in cool ̄
amyloidꎬ muriform ascospores sized 60-180 μm × 20-40 temperate to warm ̄temperate and tropical montane rain ̄
μmꎻ presence of salazinic acid or no lichen substances . forests. Australia (Mangold et al.ꎬ 2009)ꎬ New Zealand
Ecology and Distribution: On bark and wood in (Lumbsch et al.ꎬ 2010).
World ̄wide key to species of Schizotrema
1a. Ascospores transversely septate 2
1b. Ascospores (sub ̄) muriform 3
2a. Ascospores 30-80 μm × 6-11 μmꎬ with 12-22 loculesꎻ stictic or fumarprotocetraric acids present
Schizotrema zebrinum Mangold
2b. Ascospores 18-25 μm × 7-11 μmꎬ with (3-)5(-6) loculesꎻ lichexanthone present
S. flavolucens (Sipman) Lücking
3a. Ascospores submuriformꎬ 20-35 μm × 7-10 μmꎻ no lichen substances S. subzebrinum Mangold
3b. Ascospores muriformꎬ 35-180 μm × 15-40 μmꎻ chemistry variable 4
4a. Ascospores 60-180 μm × 20-40 μmꎻ salazinic acid or no lichen substances
S. schizolomum (Müll. Arg.) Mangold & Lumbsch
4b. Ascospores 35-80 μm × 15-30 μmꎻ psoromic or stictic acid or cinchonarum unknowns 5
5a. Stictic acid (major) and constictic acid (trace)ꎻ apothecia with distinctly layered margins
S. guadeloupense (Hale) Mangold & Lumbsch
5b. Psoromic acid presentꎻ apothecia morphologically crypticꎬ with indistinctly layered margins
S. cryptotrema (Nyl.) Rivas Plata & Mangold