Psathyrella ellenae var. yubaensis var. yubaensis Thiers & A.H.Sm. in A.H.Sm., determined by Smith & ThiersGregarious on humus in conifer wood
Psathyrella pseudosenex A.H.Sm., determined by A. H. SmithOn and around hardwood stum
Psathyrella albocinnamomea A.H.Sm., determined by A. H. SmithGregarious on soft, decayed hardwood st...
Psathyrella victori A.H.Sm., determined by A. H. SmithCespitose on rotten wood inside hollow, soft, ...
Psathyrella subhyalinispora A.H.Sm., determined by A. H. SmithOn humus in deciduous wood
Psathyrella carolinensis A.H.Sm., determined by A. H. SmithOn deep humus in frondose wood
Psathyrella texensis A.H.Sm., determined by A. H. SmithGregarious in humus at base of dead stump in ...
Psathyrella undulatipes A.H.Sm., determined by A. H. SmithOn the wood of conifer
Psathyrella olivaceopallida A.H.Sm., determined by A. H. SmithScattered to gregarious on humus in ha...
Psathyrella inflatocystis A.H.Sm., determined by A. H. SmithOn deep humus and soil in hemlock wood
Psathyrella atrospora (Peck) A.H.Sm., determined by A. H. SmithCespitose in humus near rotten oak lo...
Psathyrella subpurpurea A.H.Sm., determined by A. H. SmithOn conifer debris Notes with collectio
Psathyrella hymenocephala var. farinacea var. farinacea Thiers, determined by H. D. ThiersGregarious...
Psathyrella rubescens A.H.Sm., determined by A. H. SmithOn wet humus on alder fla
Psathyrella subsimilissima A.H.Sm., determined by A. H. SmithScattered on hardwood lo
Psathyrella solitaria A.H.Sm., determined by A. H. SmithOn wet humus Notes with collectio
Psathyrella pseudosenex A.H.Sm., determined by A. H. SmithOn and around hardwood stum
Psathyrella albocinnamomea A.H.Sm., determined by A. H. SmithGregarious on soft, decayed hardwood st...
Psathyrella victori A.H.Sm., determined by A. H. SmithCespitose on rotten wood inside hollow, soft, ...
Psathyrella subhyalinispora A.H.Sm., determined by A. H. SmithOn humus in deciduous wood
Psathyrella carolinensis A.H.Sm., determined by A. H. SmithOn deep humus in frondose wood
Psathyrella texensis A.H.Sm., determined by A. H. SmithGregarious in humus at base of dead stump in ...
Psathyrella undulatipes A.H.Sm., determined by A. H. SmithOn the wood of conifer
Psathyrella olivaceopallida A.H.Sm., determined by A. H. SmithScattered to gregarious on humus in ha...
Psathyrella inflatocystis A.H.Sm., determined by A. H. SmithOn deep humus and soil in hemlock wood
Psathyrella atrospora (Peck) A.H.Sm., determined by A. H. SmithCespitose in humus near rotten oak lo...
Psathyrella subpurpurea A.H.Sm., determined by A. H. SmithOn conifer debris Notes with collectio
Psathyrella hymenocephala var. farinacea var. farinacea Thiers, determined by H. D. ThiersGregarious...
Psathyrella rubescens A.H.Sm., determined by A. H. SmithOn wet humus on alder fla
Psathyrella subsimilissima A.H.Sm., determined by A. H. SmithScattered on hardwood lo
Psathyrella solitaria A.H.Sm., determined by A. H. SmithOn wet humus Notes with collectio
Psathyrella pseudosenex A.H.Sm., determined by A. H. SmithOn and around hardwood stum
Psathyrella albocinnamomea A.H.Sm., determined by A. H. SmithGregarious on soft, decayed hardwood st...
Psathyrella victori A.H.Sm., determined by A. H. SmithCespitose on rotten wood inside hollow, soft, ...