Entyloma ulei (Schröter) Spegazzini, 1925
on Callitriche
gall
1-5 mm large rotund swelling of the stem. Inside spore balls are formed.
hostplants
Plantaginaceae, monophagous
Callitriche hermaphroditica, palustris, stagnalis.
synonyms
Doassansia ulei Schröter, 1896; Sorosphaera ulei (Schröter) Liro, 1935.
notes
Vánky considers this a “doubtful species”. The explanation could be that not this species, if at all real, but Sorodiscus callitrichis might be the cause of the galls described.
references
Buhr (1964b), Tomasi (2014a), Vánky (1994a).