Melampsora epitea Thümen, 1879
polyphagous
gall
spermogonia and aecia mostly amphigenous. Aecia on yellow but generally not galled spots, often in circles: orange, pulverulent, flat to dish-shaped without a peridium, 1-2 mm; spore-wall of clearly irregular thickness
spermogonia, aecia
polyphagous
Larix decidua, kaempferi, laricina, sibirica; Ribes alpinum, aureum, nigrum, rubrum, sanguineum, spicatum, uva-crispa; Saxifraga aizoides, cespitosa, hypnoides, moschata, oppositifolia, rivularis, rosacea.
on Salix
Salix fragilis, Naardense Bos: underside of the leaf with orange yellow uredinia and brown, subepidermal telia
Salix fragilis, Nieuwendam: urediniospores (ø 22 µm) and paraphyses
Salix alba, Nieuwendam: underside of leaf, with telia
teliem, vertical view
telium transverse view
gall
uredinia yellow, amphigenous, with club-shaped, thin-walled paraphyses. Telia usually hypophyllous, subepidermal, brownish.
uredinia, telia
Salicaceae, broadly monophagous
Salix alba, apennina, appendiculata, arbuscula, aurita, bicolor, caesia, canariensis, cantabrica, caprea, cinerea & subsp. oleifolia, daphnoides & subsp. acutifolia, elaeagnos, x fragilis, foetida, gmelinii, glabra, glauca, glaucosericea, hastata, hegetschweileri, helvetica, herbacea, laggeri, lanata, myrsinifolia, pentandra, phylicifolia, polaris, purpurea, repens & subsp. rosmarinifolia, reticulata, retusa, “x rubra”, serpyllifolia, silesiaca, x smithiana, starkeana, triandra, viminalis, waldsteiniana.
synonyms
M. epitea actually is a complex of species, comprising at least: Melampsora abietis-caprearum, arctica, euonymi-caprearum, laricis-epitea, repentis, reticulatae, ribesii-epitea, ribesii-purpureae, ribesii-viminalis.
references
Adamska (2005a), Afshan, Khalid & Niazi (2012a), Bahcecioglu & Kabaktepe (2012a), Beltran Tejera (1976a), Brandenburger (1985a), Buhr (1964a, 1965a), Dauphin & Aniotsbehere (1997a), Doppelbaur & Doppelbaur (1973a), Ellis & Ellis (1985), Gjaerum (1987a), Gjaerum & Sunding (1986a), Hagen (1941a), Henderson (2000a, 2004a), Jage, Kruse, Kummer ao (2013a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a), Kruse & Jage (2014a), Mułenko, Sałata & Wołczańska (1995a), Negrean (1996b, 1997a), Ostry, Ramsted, Newcombe & Steenackers (2014a), Poelt & Zwetko (1997a), Preece & Hick (1994a), Redfern & Shirley (2011a), Roskam (2009a), Schmid-Heckel (1985a), Scholler & Schubert (1993a), Smith, Blanchette & Newcombe (2004a), Termorshuizen Swertz (2012a), Tomasi (2003a, 2012a, 2014a), Tykhonenko (2010a), Vanderweyen & Fraiture (2007a), Woods, Stringer, Evans & Chater (2015a) Wales.