| Stable identifier | Scientific Name | Media |
| http://herbarium.bgbm.org/object/B100244108 | Centropogon trachyanthus E. Wimm. |
|
| http://herbarium.bgbm.org/object/B100244109 | Centropogon trachyanthus E. Wimm. |
|
| http://herbarium.bgbm.org/object/B700016306 | Puccinia acnisti Arthur |
|
| http://herbarium.bgbm.org/object/B700016307 | Puccinia acnisti Arthur |
|
| http://herbarium.bgbm.org/object/B700016308 | Puccinia acnisti Arthur |
|
| http://herbarium.bgbm.org/object/B700016336 | Puccinia claviformis Lagerh. |
|
| http://herbarium.bgbm.org/object/B700016337 | Puccinia claviformis Lagerh. |
|
| http://herbarium.bgbm.org/object/B700016338 | Puccinia claviformis Lagerh. |
|
| http://herbarium.bgbm.org/object/B700016339 | Puccinia claviformis Lagerh. |
|
| http://herbarium.bgbm.org/object/B700016357 | Puccinia imitans P. Syd. & Syd. |
|
| Stable identifier | Scientific Name | Media |
| https://dr.jacq.org/DR046156 | Azolla filiculoides Lam. |
|
| Stable identifier | Scientific Name | Media |
| https://gzu.jacq.org/GZU000302032 | Asterina advenula Syd. |
|
| https://gzu.jacq.org/GZU000302047 | Aspidothea blechni Syd. |
|
| https://gzu.jacq.org/GZU000302039 | Asterina erebia Syd. |
|
| https://gzu.jacq.org/GZU000304016 | Lembosia poasensis Syd. |
|
| https://gzu.jacq.org/GZU000294622 | Puccinia nephroidea Syd. |
|
| https://gzu.jacq.org/GZU000299137 | Helminthosporium baccharidis Syd. |
|
| https://gzu.jacq.org/GZU000306116 | Mycosphaerella discophora Syd. |
|
| https://gzu.jacq.org/GZU000306087 | Mycosphaerella sodiroana Petr. |
|
| https://gzu.jacq.org/GZU000301862 | Phylloporthe vernoniae Syd. |
|
| https://gzu.jacq.org/GZU000301899 | Phyllachora gelatinosa Syd. |
|
| Stable identifier | Scientific Name | Media |
| https://je.jacq.org/JE07002989 | Puccinia nephroidea Syd. |
|
| https://je.jacq.org/JE07002929 | Peronospora pisi Syd. ex Gäum. |
|
| https://je.jacq.org/JE07002928 | Peronospora pisi Syd. ex Gäum. |
|
| Stable identifier | Scientific Name | Media |
| https://www.botanicalcollections.be/specimen/BR5020025701930 | Mucilago crustacea var. crustacea |
|
| https://www.botanicalcollections.be/specimen/BR5020026033375 | Plasmodiophora brassicae Woronin |
|
| https://www.botanicalcollections.be/specimen/BR5020026090941 | Sorosphaera veronicae J.Schröt. |
|
| https://www.botanicalcollections.be/specimen/BR5020026091955 | Sorosphaera veronicae J.Schröt. |
|
| https://www.botanicalcollections.be/specimen/BR5020026223332 | Tetramyxa parasitica K.I.Goebel |
|
| https://www.botanicalcollections.be/specimen/BR5020026381940 | Trichia botrytis (J.F.Gmel.) Pers. |
|
| https://www.botanicalcollections.be/specimen/BR5020026406223 | Trichia scabra Rostaf. |
|
| https://www.botanicalcollections.be/specimen/BR5020035947571 | Megalonectria pseudotrichia (Schwein.) Speg. |
|
| https://www.botanicalcollections.be/specimen/BR5020046830763 | Puccinia stonemaniae Syd. & P.Syd. |
|
| https://www.botanicalcollections.be/specimen/BR5020046974269 | Ravenelia macowaniana Pazschke |
|
| Stable identifier | Scientific Name | Media |
| https://w.jacq.org/W19780011007 | Chaetocrea parasitica Syd. |
|
| https://w.jacq.org/W19920005916 | Neopeltella aequatoriensis Petr. |
|
| https://w.jacq.org/W19780007752 | Aphanopeltis phoebes Syd. |
|
| https://w.jacq.org/W19810004350 | Asterina styracina Syd. |
|
| https://w.jacq.org/W19770002090B | Xenodiella petrakii Syd. |
|
| https://w.jacq.org/W19770002090A | Xenodium petrakii Syd. |
|
| https://w.jacq.org/W19730030304 | Milesina vogesiaca Syd. |
|
| https://w.jacq.org/W19270012544 | Chaetosphaeria meliolicola Syd. & P. Syd. |
|
| https://w.jacq.org/W19730007263 | Milesina vogesiaca Syd. |
|
| https://w.jacq.org/W19100006973 | Milesina vogesiaca Syd. |
|
Publications by Hans Sydow