There have been 23 plant taxa determined in the flora of Marjan which belong in the category of strictly protected species, according to the Regulation on Strictly Protected Species (Official Gazette 144/13 and 73/16), those are:
– Aurinia leucadea (Guss.) K. Koch
– Aurinia sinuata (L.) Griseb
– Blackstonia perfoliata (L.) Huds. ssp. serotina (Rchb.) Vollm. – Yellow-wort
– Carduus micropterus (Borbás) Teyber ssp. micropterus
– Centaurea ragusina L. – Silver knapweed
– Centaurea spinosociliata Seenus
– Chaerophyllum coloratum L.
– Limonium cancellatum (Bernh. ex Bertol.) Kuntze
– Vincetoxicum hirundinaria Medik. ssp. adriaticum (Beck) Markgr. – White swallow-wort
– Tanacetum cinerariifolium (Trevir.) Sch.Bip. – Dalmatian chrysanthemum
– Cymodocea nodosa (Ucria) Asch. – Little Neptune grass
– Trifolium dalmaticum Vis. – Dalmatian clover
– Gladiolus illyricus W. D. J. Koch –Wild gladiolus
– Hibiscus trionum L. – Flower-of-an-hour
– Ophrys sphegodes Mill. – Early spider-orchid
– Goniolimon dalmaticum (C. Presl) Rchb. f.
– Genista sylvestris Scop. ssp. dalmatica (Bartl.) H. Lindb.
– Limonium cancellatum (Bernh. ex Bertol.) Kuntze
– Arundo plinii Turra – False reed
– Delphinium peregrinum L. – Violet larkspur
– Parapholis incurva (L.) C. E. Hubb. – Coast barb-grass
– Onosma echioides (L.) L. ssp. dalmatica (Scheele) Peruzzi et N. G. Passal.
– Linaria microsepala A. Kern.
– Consolida ajacis (L.) Schur – Doubtful knight’s spur
