Physoderma pulposum Wallroth, 1833

on Aegopodium, Amaranthaceae

Physoderma pulposum on Chenopodium spec.

Chenopodium spec., Belgium, prov. Limbourg, Maasmechelen, Maesbeempder Greend, 20.viii.2019 © Carina Van Steenwinkel

Physoderma pulposum on Chenopodium spec.

superficial warts, and swellings

Physoderma pulposum on Chenopodium spec.

tiny warts

Physoderma pulposum

strongly magnified

Physoderma pulposum on Chenopodium spec.

transverse section

Physoderma pulposum on Chenopodium spec.

tumors

Physoderma pulposum

transverse section

Physoderma pulposum

sporangia

Physoderma pulposum

sporangia under a different illumination, exposing associated structures

Physoderma pulposum

sporangia

Physoderma pulposum

sporangia

gall

irregular pustules on the leaves, 1-2 mm large, initially hyaline, then greenish and finally brown; on all parts of the plant; aso the plant shows characteristic tumors.

host plants

Amaranthaceae, (Apiaceae), polyphagous

Aegopodium podagraria; Atriplex calotheca, littoralis, patula, prostrata; Chenopodium chenopodioides, glaucum, murale, rubrum, urbicum; Dysphania botrys.

On Aegopodium relatively rare (Klenke & Scholler).

synonyms

Urophlyctis pulposa (Wallroth) Schröter, 1886.

references

Brandenburger (1985a: 115), Buhr (1964b), Fischer (1892a), Klenke & Scholler (2015a), Lingappa (1959a,b), Redfern & Shirley (2011a), Roskam (2009a), Tomasi (2014a).

mod 25.viii.2019