Uredo morvernensis Dennis, 1983
on Thymus
gall
Only uredinia are known. They are hypophyllous, inconspicuous and very pale brown.
hostplants
Lamiaceae, narrowly monophagous
Thymus praecox subsp. polytrichus.
notes
it might concern an only rarely appearing stage of Puccinia thymi (Nigel Stringer in litt.)
references
Henderson (2004a), Woods, Stringer, Evans & Chater (2015a).