Physarum squamosum Flatau & Schirmer, Z. Mykol.

Treviño-Zevallos, Italo, García-Cunchillos, Iván, Basanta, Diana Wrigley De & Lado, Carlos, 2023, Diversity of Myxomycetes from Peru Part III: The high Andes and the altiplano, Phytotaxa 624 (1), pp. 1-92 : 74

149. º Physarum squamosum Flatau & Schirmer, Z. Mykol. 70(2): 187 (2004)

Specimens examined. PERU. Ancash: Asunción, Chacas, Huascaran N.P., Punta Olímpica, 4874 m, 9º08′04.3”S, 77º30′38.4”W, 21 Apr 2013, livingand dead plant of Xenophyllum dactylophyllum, Lado 22965 (MA-Fungi 95144). Chacas, Acochaca, route AN-107, km 60, 4039 m, 9º08′48”S, 77º28′52”W, 10 May 2018, leaves and bark of Polylepis sp. , Lado 26257 (MA-Fungi 97059). Huaraz, Cajamarquilla, 4233 m, 9º40′24.5”S, 77º41′46.0”W, 22 Apr 2013, leaves of Puya raimondii, Lado 23077 (MA-Fungi 95240) .

Notes. With iridescent peridium alternated with thick calcareous scales, more noticeable in the upper part ( Fig. 4D ). Similar to Ph. australiense S.L. Stephenson, Novozh. & Prikhodko , distinguishable by the calcareous columella, but the two species could be conspecific regarding the remaining morphological traits.

Figures

FIGURE 4. A. Sporocarps of Physarum crateriforme (MA-Fungi 95849). B. Physarum dictyospermum (MA-Fungi 97733). C. Physarum rubiginosum (MA-Fungi 95762). D. Physarum squamosum (MA-Fungi 95240). E. Spores by SEM of Physarum synsporum (MA-Fungi 94524). F. Sporocarps of Polyschismium trevelyanii (MA-Fungi 96168). Scales A-D, F = 0.2 mm; E = 5 µm.