Perichaena calongei Lado, D. Wrigley & Estrada, 2009

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 : 52

102. Perichaena calongei Lado, D. Wrigley & Estrada , in Lado, Wrigley de Basanta, Estrada-Torres, García Carvajal, Aguilar & Hernández-Crespo, Anales Jard. Bot. Madrid 66S1: 64 (2009)

Specimens examined. PERU. Ancash: Bolognesi, Huallanca, towards Antamina , route AN-1279, km. 77, 4378 m, 9º49′23”S, 77º02′24”W, 16 May 2018, stem and leaf litter of Lupinus sp. , Lado 26871 (MA-Fungi 97633). Huari, Huantar, 3292 m, 9º26′48”S, 77º11′00”W, 13 May 2018, leaves of Agave americana, Lado 26507 (MA-Fungi 97289), Lado 26523 (MA-Fungi 97306, USM). Recuay, Ticapampa, Catac, route AN-110, km 22, 4150 m, 9º43′18”S, 77º19′19”W, 11 May 2018, leaf litter of Baccharis sp. , Lado 26283 (MA-Fungi 97082), leaf litter and bark of Polylepis sp. , Lado 26291 (MA-Fungi 97091), Lado 26292 (MA-Fungi 97092). Ticapampa, Catac, route AN-110, km 35, west exit of the Chavín tunnel, 4457 m, 9º41′21”S, 77º15′18”W, 11 May 2018, woody debris of Asteraceae, Lado 26337 (MA-Fungi 97132), Lado 26338 (MA-Fungi 97133), Lado 26341 (MA-Fungi 97134), Lado 26348 (MA-Fungi 97138), leaves and woody debris, Lado 26354 (MA-Fungi 97144). Yungay, Yungay, Huascaran N.P., Llanganuco sector, Abra Portachuelo, route AN-106, km 39, 4416 m, 9º02′49.6”S, 77º35′51.5”W, 19 Apr 2013, wood, Lado 22825 (MA-Fungi 95032, USM), Lado 22826b (MA-Fungi 95034) . Arequipa: Arequipa, Yura, route PE-34A, km 69,800, 3015 m, 16º12′14.5”S, 71º39′11”W, 12 Apr 2016, leaves of Puya densiflora, Lado 24228 (MA-Fungi 95575), Lado 24231 (MA-Fungi 95578), Lado 24232a (MA-Fungi 95579), Lado 24237 (MA-Fungi 95584, USM), Lado 24243b (MAFungi 95591, USM). Caylloma, Maca, A 34 Km west of Maca , 3422 m, 15°38′22”S, 71°47′53”W, 30 Dec 2018, on dead scape of Puya, Treviño Myx 593 (HSP) . Ayacucho: Huamanga, Quinua, route PE-28B, km 30, Quinua , 3785 m, 13º00′45”S, 74º07′25”W, 20 Apr 2017, twigs of Baccharis sp. , Lado 24885 (MA-Fungi 96088). Chiara, route PE-3S, km 415, Chiara, 3850 m, 13º18′49”S, 74º13′27”W, 21 Apr 2017, leaf litter, Lado 24972 (MA-Fungi 96170). Lucanas, route PE-30A, km 103, 4 km east of Abra Condorcenca , 3947 m, 14º38′28.1”S, 74º17′57.8”W, 27 Sep 2012, bark of Polylepis sp. , Lado 21836 (MA-Fungi 94607) . Cajamarca: Cajamarca, The baths of the Inca , route PE-08B, km 191, at the junction to Marcobamba and Llacanora , 3120 m, 7º09′23.0”S, 78º25′11.7”W, 14 Apr 2013, leaves of Agave sp. , Lado 22567a (MA-Fungi 94911, USM), Lado 22573 (MA-Fungi 94917) . Huancavelica: Huaytara, Huaytara, route PE-28A, km 120, Jatunhuatas bridge, 3119 m, 13º36′27”S, 75º19′38”W, 19 Apr 2017, leaf of Puya sp. , Lado 24787b (MA-Fungi 95989), Lado 24788b (MA-Fungi 95992). Pilpichaca, route PE-28A, km 170, Chaupi, 4347 m, 13º27′43”S, 75º01′59”W, 19 Apr 2017, branch of Baccharis tricuneata, Lado 24804 (MA-Fungi 96011) . Junin: Huancayo, Huancayo, route 108, km 21, 3 km northeast of Acopalca , 4016 m, 11º58′32”S, 75º05′09”W, 27 Apr 2017, leaves, Lado 25364 (MA-Fungi 96527). Yauli, Chacapalpa, route PE-3S, km 35, Chacapalca, 3623 m, 11º43′37”S, 75º45′18”W, 29 Apr 2017, leaves of Agave americana, Lado 25540 (MA-Fungi 96697), Lado 25549a (MA-Fungi 96704), Lado 25554b (MA-Fungi 96709, USM) .

Notes. Sporothecae in Perichaena calongei show dark lines delimiting the borders of the peridial plates and, after dehiscence, a petaloid calyculus-like base ( Lado et al. 2009, Araújo et al. 2015). Similar to Perichaena chrysosperma (Curr.) Lister also shows spines in the capillitium, differing by the peridium dehiscence, irregular, fisural, or areolate but never by plates in P. chrysosperma .