Anales de biología Vol. 10 (1986) Biología general, 2

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Estudio de los mixomicetos que fructifican sobre Opuntza fzcusindica l. en el S.E. de España peninsular
(Murcia: Universidad de Murcia, Servicio de Publicaciones, 1986) López-Sánchez, E.; Honrubia García, Mario; Gracia, E.; Gea, F. J.; Facultad de Biología
Fifteen species of Myxomycetes that grow on Opuntia ficus-indica, ín South-East Spain are cited. One of them (Stemonitis virginiensis) in this substrate is collected only in moist-chamber. According to the abundante and frecuency with which the other fourteen species are registered, three groups of species are distinguished: five «characteristic» species, three «frequent» species and six «occasional» species. Badhamia gracilis is the most common one. When cultures in moist chambers were prepared sporocarps of Badhamia gracilis, Stemonitis virginiensis and Perichaena minor developed. Three species considered as «characteristic»: Badhamia gracilis, Physarum compressum and P. stramir:ipes have been cultivated in vitro. Three species widely distributed in the area studied, but that have never been collected on O. ficus-indica, were used to compare with the ones isolated in the Opuntia. Three media of culture: CM, CM/2 and carrot-agar have been used and also a new medium, prickly-agar, has been pul to test.