Amongst the complicated group of Peziza with blue-violet-purplish hymenial surface, P. petersii, P. proteana f. proteana and f. sparassoides were studied using both morphological and molecular approaches (analysis of the nrITS and RPB2 sequences). The nrITS sequences were successfully obtained from the holotypes of Aleuria proteana, P. pseudoviolacea and Underwoodia campbellii. The epitype collection of P. petersii was designated, and its nrITS and RPB2 regions were sequenced. Our analyses showed that (i) P. proteana and P. petersii are a single species, and since P. petersii Berk. was published in 1875 and Aleuria proteana Boud. in 1899, the prioritary name is the former; (ii) P. proteana f. sparassoides (Boud.) Korf, the “cabbage-head fungus”, is a distinct evolutionary line and is here recognised at species level using the oldest available epithet that can be combined in Peziza, Underwoodia campbellii Sacc. Consequently, Peziza campbellii nov. comb. is introduced.

中文翻译：

---

对Peziza petersii和P. proteana（子囊菌，Pezizaceae）和Underwoodia campbellii进行研究和澄清，使其因“白菜头真菌”（以前为P. proteana f。sparassoides）而复活。

之间的复杂的组的Peziza用蓝紫色-紫色hymenial表面，P. petersii，P. proteana F。proteana和f。sparassoides同时使用形态学和分子的方法（所述nrITS和分析进行了研究RPB2序列）。所述nrITS序列已成功地从的holotypes得到橙黄网孢盘proteana，P. pseudoviolacea和Underwoodia坎。指定了P. petersii的表型集合，并对其nrITS和RPB2区进行了测序。我们的分析表明（i）变形杆菌和自P. petersii Berk以来，P。petersii是一个物种。出版于1875年和Aleuria的proteana Boud。在1899年，优先名称是前者；（ii）变形杆菌f。sparassoides（Boud。）“卷心菜头真菌”科尔夫（Korf）是一种独特的进化系，在这里使用可以在Peziza（Underwoodia campbellii Sacc）中结合使用的最古老的上义在物种水平上得到认可。因此，Peziza campbellii nov。梳。介绍。