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.

Published as part of 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, pp. 1-92 in Phytotaxa 624 (1) on page 74, DOI: 10.11646/phytotaxa.624.1.1, http://zenodo.org/record/10150721