| 26008 | Enteromorpha prolifera J. Ag. var tenŭis Schffn. | 26/03/1931 |
| 26011 | Enteromorpha prolifera J. Ag. var. n. tenuis Schiffn. (fo. ramosa m.) | 26/03/1931 |
| 26033 | Enteromorpha prolifera fo. sŭbsimplex accedit ad E. tŭbŭlosam | 26/03/1931 |
| 26034 | Enteromorpha prolifera fo. subsimplex | 26/03/1931 |
| 26051 | Enteromorpha intestinalis (L.) Link α genŭina | 26/03/1931 |
| 26067 | ! Enteromorpha Linza (L.) J. Ag. | 26/03/1931 |
| 26155 | Enterom. fŭcicola | 26/03/1931 |
| 26155 | Fucus virsoides (Don.) J. Ag. α normalis Schffn. | 26/03/1931 |
| 26155 | Ent. lingŭlata | 26/03/1931 |
| 26284 | Chaetomorpha crassa n. fo. tenŭis (Ag.) Ktz. | 26/03/1931 |
| 26336 | ! Bryopsis hypnoides Lamx. var. flagellata Ktz. p. sp. | 26/03/1931 |
| 26400 | Ectocarpŭs fŭscatŭs Zan. in Menegh. | polycarpŭs Zan. in Ktz. | - fo. nana | 26/03/1931 |
| 26400 | Ulva Lactuca (L.) Le Jol. - α genŭina fo. latissima | 26/03/1931 |
| 26448 | Striaria attenuata Grev. fo. typica | 26/03/1931 |
| 26449 | Striaria attenuata Grev. fo. typica (neigt etwas zŭ var. ramosissima (Zan.?, Ktz.) Haŭck | 26/03/1931 |
| 26619 | Wildemania laciniata (Lightf.) De Toni (= Porphyra ŭmbilicalis (L.) J. Ag. - b) fo. vŭlgaris (Ag.) Thŭret in Le Joli | 26/03/1931 |
| 26620 | Wildemania laciniata (Lightf.) De Toni (= Porphyra ŭmbilicalis (L.) J. Ag. - b) fo. vŭlgaris (Ag.) Thŭret in Le Joli | 26/03/1931 |
| 26829 | Polysiphonia sangŭinea (Ag.) Zan. var. = P. megarthra Zan. | 26/03/1931 |
| 26830 | Polysiphonia sangŭinea (Ag.) Zan. var. = P. megarthra Zan. | 26/03/1931 |
| 27169 | ! Antithamnion cruciatum (Ag.) Naeg. | 26/03/1931 |