A Grammatical Dictionary of Botanical Latin

stagnans,-antis (part.B): forming a pool of standing water, standing, stagnating, being stagnant; lying in pools (as on the edge of the sea or of a river) [> L. stagno,-avi,-atum 1., “to form a pool or standing water, to stagnate, be stagnant; of places which lie under water, to be overflowed or inundated; to cause to stand, to make stagnant; to cover with water, to overflow, inundate a place” (Lewis & Short)]; opp. profluens,-entis (part.B) 'free flowing;' see quiet;

Stagnantia,-ium (pl.n.III), abl. pl. stagnantiis [sc.locis]: inundated places.

stagnant (Eng.adj): having no current or flow, still, quiet, static; showing no activity, dull, sluggish.

- Juncus panicula arundinacea, in aquis stagnantibus & ad fluviorum ripas (Mich.), Juncus with a reed-like panicle, in stagnant waters and on the banks of rivers.

- in pratis humidis littoralibus Italia, & in locis ubi per hyemen aqua stagnant, signanterque circa salinas ostienses, juxta Оrbetellum, ac per Plumbini pascua mense Магtio florer (Michelli), it flourishes in the wet meadows on the shores of Italy, and in places when water stands in pools through winter [i.e. the rainy season] and specifically around the salt-pans of Ostia [at the mouth of the Tiber], between Orbetellum and throughout the meadows of Plumbini [Piombino] in the month of March.

- [Florideae; algae] plurimae rupicolae aut in vicinia rupium aliis parasitae, paucae in sabulosis, paucissimae in limosis et mari stagnanti degunt (Agardh), many live on rocks or in the vicinity of rocks, parasitic on others, a few in gravelly places, a very few live in silty ones and in a stagnant [i.e. static, with little flow] sea.

- habitat in stagnantibus per montes Alabamae, it grows in stagnant (water) throughout the mountains of Alabama.

- Hab. in caespites late expansos laxe intricata, in mari substagnanti tranquilliori, it lives in broadly outspread clumps loosely interwoven, in a substagnant, more tranquile sea.

- [alga] in mari substagnanti tranquilliori ut in salinis, etc. (Agardh), in a nearly stagnant, more tranquil sea, as in a saltworks, etc.

- [de Lenticula palustris; “Duck’s Meat;” i.e. Lemna] Stagnantium aquarum incola Lenticula eisdem innatat, totam superficiem densissimo foliorum, inferne nigricantium, superne virentium (Ray), Lenticula is an inhabitant of stagnant waters, floating on these, the entire surface very dense with the leaves, below, blackish, above green.