Tetracladium setigerum (Grove) Ingold, Trans. Brit. Mycol. Soc.

Kravetz, Sebastián, González, Beatriz, Marano, Agostina & Giorgi, Adonis, 2018, The genus Tetracladium in Pampean streams (Buenos Aires, Argentina), Phytotaxa 338 (3), pp. 276-284 : 279

Tetracladium setigerum (Grove) Ingold, Trans. Brit. Mycol. Soc. 25: 369 (1942). ( Fig. 1a–i )

≡ Tridentaria setigera Grove, J. Bot. 50: 16 (1912).

Conidia with three digitiform, one filiform and two acicular elements. Acicular elements slightly longer than the digitiform branches. Central axis 28–42 × 4–4.5 μm, with basal extension and a distal subclavate to digitiform element. The digitiform branch at the second level is arranged opposite to the digitiform element of the first level.

Specimens examined:— Buenos Aires, San Andrés de Giles, Vagues stream, 34° 17´35.167´´ S, 59° 27´2.48´´ W, 0–50 m, 2 October 2017, Kravetz, S. 116 (slide BAFC 52781 ) ; Luján , S / N1 stream, 34° 27´50.47´´ S, 59° 15´1.957´´ W, 0–50 m, 17 September 2017, Kravetz, S. 94 (slide BAFC 52780 ) .

Notes:— T.setigerum was previously reported in a Pampean stream (Las Cañas) at early stages of the decomposition of submersed leaf litter of Ligustrum lucidum Ait. and Pouteria salicifolia (Spreng.) Radlk. ( Marano et al. 2011).

Figures

FIGURE 1. Location of the study region in the northeast of Buenos Aires Province, Argentina. References: red circles indicate the sampling sites locations.