| 26428 | Scytosiphon lomentarius (Lyngb.) J. Ag. ad var. fistŭlosŭm Ktz. vergens | 28/03/1931 |
| 26428 | Enteromorpha prolifera, var. tenŭis Schffn. | 28/03/1931 |
| 26429 | Scytosiphon lomentarius (Lyngb.) J. Ag. ad var. fistŭlosŭm Ktz. vergens | 28/03/1931 |
| 26429 | Ectocarpŭs venetŭs Ktz. | 28/03/1931 |
| 26429 | Striaria attenŭata forma | 28/03/1931 |
| 26447 | Striaria attenuata Grev. paŭllŭm vergens ad var. crinitam (Ag.) Haŭck | 28/03/1931 |
| 26606 | Porphyra atropurpurea (Olivi) De Toni | 26/02/1931 |
| 26606 | Ectocarpŭs silicŭlosus Ktz. | 26/02/1931 |
| 26646 | Gelidium spathŭlatŭm (Ktz.) Born. - fo. genŭina | 26/02/1931 |
| 26646 | ! Porphyra atropurpurea (Olivi) De Toni | 26/02/1931 |
| 26646 | ! Ectocarpus siliculosus Kuetz var. divergens Schffn. | 26/02/1931 |
| 26646 | ! Enteromorpha Linza (L.) J. Ag. forma minor | 26/02/1931 |
| 26651 | Gelidiŭm venetŭm Schffn. n. sp. | 26/02/1931 |
| 26651 | ! Porphyra atropurpurea (Olivi) D.T. | 26/02/1931 |
| 26651 | Ulva Lactuca L. ! | 26/02/1931 |
| 26651 | Ectocarpŭs silicŭlosŭs Ktz. (nec al.) typicus | 26/02/1931 |
| 26651 | Enteromorpha compressa | 26/02/1931 |
| 26658 | Gelidiŭm affine Schiffner n. sp. fo. laxior | 26/02/1931 |
| 26658 | ! Porphyra atropurpurea (Olivi) D. T. | 26/02/1931 |
| 26658 | ! Ectocarpus siliculosus Kuetz. | 26/02/1931 |
| 26919 | ! Polysiphonia elongata (Huds.) Harv. var. = P. haematites Ktz. - minor | 28/03/1931 |
| 26919 | Ceramium elegans Dŭcl. - var. | 28/03/1931 |
| 26920 | Polysiphonia elongata (Huds.) Harv var. = P. haematites Ktz. - minor | 28/03/1931 |
| 26920 | Striaria attenŭata | 28/03/1931 |
| 27200 | Ceramium radicŭlosŭm Haŭck. | 28/03/1931 |
| 27200 | C. elegans Dŭcl. - fo. nana | 28/03/1931 |