Juncorrhiza aschersoniana (Magnus) Riess & Piątek, 2019
on Juncus
Juncus bufonius, Belgium, prov. Antwerp, Balen, de Most, 1.ix.2020 © Carina Van Steenwinkel: plant with root tubers
tuber
fresh tubers are white
spores are formed in “bundles:
detail
immature spores
mature spres
sporen
sporen
Juncus bulbosus, Belgium, prov. Limbourg, Beverlo, Einderse beemden, 9.ix.2020 © Carina Van Steenwinkel: plant with root tubercles
root tubercles (most 1-3 mm, less often 3-6 mm)
older tubercles
spores
spore
spores
spores
gall
irregular tubercles, up to a cm in size, attached to the roots; the colour ranges from white to dark brown.
host plants
Juncaceae, monophagous
Juncus bufonius.
Possibly also J. bulbosus, minutulus, squarrosus.
synonyms
Entorrhiza aschersoniana (Magnus) Lagerheim, 1888.
notes
Because the revision by Riess ao did not include material from Juncus bulbosus, the identification of the material pictured above must be provisional.
references
Ainsworth & Sampson (1950a), Bauer, Garnica, Oberwinkler ao (2015a), Buhr (1964b), Chafer & Smith (2018a), Denchev & Denchev (2019a), Dietrich (2013a), Doppelbaur (1973a), Fineran (1973a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kummer (2012a), Redfern & Shirley (2011a), Riess, Schön, Ziegler, ao (2019a), Roskam (2009a), Scholz & Scholz (2013a), Tomasi (2014a), Vánky (1994a), Woods, Chater, Smith ao (2018a).