Sagina procumbens Sagina procumbens L., Sp. Pl.: 128. 1753≡Alsine procumbens (L.) Crantz in Inst. Rei. Herb. 2: 404. 1766=Sagina breviflora Gilib. in Fl. Lit. Inch. 2: 148. 1782Type: DerivedUnit#18789