F.K.A.E.J. de Thümen [1-2300, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 151583
MAC Owan; Tuck #1111;
Aecidium macowanianum Thüm.
South Africa, Cape of Good Hope, Boschberg, near Somerset-East banks of Mountain Streams

USDA United States National Fungus Collections
Catalog #: BPI 1035138
MAC Owan; Tuck #1111;
Aecidium macowanianum Thüm.
South Africa, Cape of Good Hope, Boschberg, near Somerset-East banks of Mountain Streams

University of Michigan Herbarium
Catalog #: 13167
P. Mac Owan #1111 00 August 1875
Aecidium macowanianum f. conyzae-pinnatilobatae Thüm.
South Africa, Boschberg, Somerset East

University of Illinois Herbarium
Catalog #: ILL00076674
Prof. Mac Owan et Tuck s.n.
Aecidium macowanianum Thüm.
South Africa, Promont; Promont

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00042961
Prof. Mac Owan et Tuck. s.n.
Aecidium mac owanianum
, Somerset East.

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0000471
Prof. P. Mac Owan & Tuck. s.n.
Aecidium mac owanianum