W.H.W.H.LongW.H.W.H., D.J. StoufferD.J.S.DJD.J. StoufferD.J.S., Studies in the Gasteromycetes XVI. The Geastraceae of the south-western United States, „Mycologia”, 40 (5), 1948, s. 547–585, DOI: 10.2307/3755257, JSTOR: 3755257(ang.).
W.H.W.H.LongW.H.W.H., D.J. StoufferD.J.S.DJD.J. StoufferD.J.S., Studies in the Gasteromycetes XVI. The Geastraceae of the south-western United States, „Mycologia”, 40 (5), 1948, s. 547–585, DOI: 10.2307/3755257, JSTOR: 3755257(ang.).