| 25994 | Enteromorpha tŭbŭlosa Ktz. | 25/02/1931 |
| 25995 | Enteromorpha tŭbŭlosa Ktz. | 25/02/1931 |
| 26060 | Enteromorpha intestinalis fo. paŭlŭm ramificata | 25/02/1931 |
| 26176 | Valonia aegagropila Ag. valde lŭxŭrians! | 25/02/1931 |
| 26179 | Valonia utricularis Ag. in V. aegagropila transiens | 25/02/1931 |
| 26351 | ! Bryopsis hypnoides Lamx. var. Arbŭscŭla Ktz. p. sp. | 25/02/1931 |
| 26352 | ! Bryopsis hypnoides Lamx. var. Arbŭscŭla Ktz. p. sp. | 25/02/1931 |
| 26870 | Polysiphonia expansa Zan. in Kütz. | 05/08/1930 |
| 26964 | Polysiphonia spinosa (Ag.) J. Ag. fo. genŭina | 25/02/1931 |
| 26965 | Polysiphonia spinosa (Ag.) J. Ag. fo. genŭina | 25/02/1931 |
| 26966 | Polysiphonia spinosa (Ag.) J. Ag. var. = P. pilosa Zan. | 25/02/1931 |
| 27112 | ! Dasya elegans (Mart.) Ag. | 05/08/1930 |
| 27113 | Dasya elegans | 05/08/1930 |
| 27114 | Dasya elegans fo. minor | |
| 27146 | ! Callithamnion corymbosum (Sm.) Ag. fo laxa Schffn. | 05/08/1930 |
| 27147 | ! Callithamnion corymbosum (Sm.) Ag. fo. laxa Schffn. | 05/08/1930 |
| 27189 | Ceramiŭm elegans Dŭcl. - f. n. tenerior Schffn. (? qŭae esset fo. major Cer. radicŭlosi) | 25/02/1931 |
| 27190 | Ceramiŭm elegans Dŭcl. - fo. n. tenerior Schffn. (? an fo. major Cer. radicŭlosi) | 25/02/1931 |
| 27301 | Dermatolithon pŭstŭlatŭm (Lamx.) Foslie | 25/02/1931 |
| 27301 | ! Chaetomorpha crassa (Ag.) Ktz. α genŭina | 25/02/1931 |