Lycogala succineum Leontyev & Schnittler, 2023

Song, Wen-Long, Jiang, Zi-Qiong, Li, Min, Leontyev, Dmytro, Gao, Yang & Chen, Shuang-Lin, 2025, Comprehensive revision of Lycogala (Myxomycetes) in subtropical China: morphological and phylogenetic insights and ten new species, IMA Fungus 16, pp. e 147535-e 147535 : e147535-

Lycogala succineum Leontyev & Schnittler , in Leontyev, Ishchenko & Schnittler, Mycologia 115 (4): 538 (2023)

Fig. 15

Specimen examined.

CHINA • Jiangsu Province: Zijin Mountain National Forest Park , 32.0587°N, 118.8678°E, on rotten wood, 20 Jul 2024, collected by Wen-Long Song, Qian Meng, and Ling-Xiao Chen ( HFNNU 10822 ) ; • Zijin Mountain National Forest Park , 32.0623°N, 118.8748°E, on rotten wood, 18 Jul 2024, collected by Wen-Long Song, Ya-Jing Chen, and Qian Meng ( HFNNU 10828 ) ; • Zijin Mountain National Forest Park , 32.0594°N, 118.8657°E, on rotten wood, 20 Jul 2024, collected by Wen-Long Song, Qian Meng, and Ling-Xiao Chen ( HFNNU 10833 ) ; • Zijin Mountain National Forest Park , 32.0572°N, 118.8693°E, on rotten wood, 20 Jul 2024, collected by Wen-Long Song, Qian Meng, and Ling-Xiao Chen ( HFNNU 10834 ) . • Henan Province: Baotianman National Nature Reserve , 33.5129°N, 111.9432°E, on rotten wood, 23 Jul 2016, collected by Yang Gao and Gao-Wei Wang ( HFNNU 11166 ) ; • Baotianman National Nature Reserve , 33.5152°N, 111.9399°E, on rotten wood, 23 Jul 2016, collected by Yang Gao and Gao-Wei Wang ( HFNNU 11200 ) .

Distribution.

Ukraine, Germany ( Leontyev et al. 2023 b), Belarus ( Leontyev et al. 2023 b; Leontyev et al. 2024), Norway ( Leontyev et al. 2023 b; Johannesen and Vetlesen 2024), and China (this study).

Notes.

Lycogala succineum is recorded in China for the first time. The main characteristics of this species are medium-sized, rufous beige sporocarps, the vesicles, which are loosely and evenly distributed, solitary, rounded, amber-yellow peridial, and the spore mass, which is light pinkish-gray or light salmon-gray. The Chinese collections fit well with the original description of L. succineum ( Leontyev et al. 2023 b) . Subtle differences include the ornamentation of capillitium, which does not possess regular bracelet-like thickenings, as stated in the original description, and the presence of small spines on the surface. However, these differences do not appear significant (see fig. 10 H, K in Leontyev et al. 2023 b). From the perspective of phylogenetic analysis (Fig. 2 ), Chinese specimens of L. succineum ( HFNNU 10822 , HFNNU 10828 , HFNNU 10833 , HFNNU 10834 , HFNNU 11166 , and HFNNU 11200 ) cluster together with other specimens of L. succineum (UBS = 100, PP = 1).

Figures

Figure 2. Maximum likelihood tree inferred from the concatenated sequences of SSU and COI, showing the phylogenetic relationship of Lycogala. The members of Reticularia were used to root the tree. Only Maximum likelihood ultrafast bootstrap support (UBS) / Bayesian posterior probabilities (PP) ≥ 70 / 0.7 are shown. The voucher numbers are indicated after the species names. The number of identical genotypes is in parentheses (if present). The ten new species described in this study are indicated in red and bold. The four new species to China are indicated in blue and bold. Other newly obtained sequences are in bold. The scale bar represents the number of substitutions per site.

Figure 15. Morphological characteristics of Lycogala succineum: A – E sporocarps; F peridial vesicles; G the inner surface of the peridium (SEM); H, I capillitium; J – L the bulbous free ends of the capillitium (SEM); M the detail of capillitium ornamentation (SEM); O spores; P, Q spore (SEM). Scale bars: 1 mm (A – E); 50 μm (F); 20 μm (H); 10 μm (I – O); 5 μm (G, P); 1 μm (Q).