A Grammatical Dictionary of Botanical Latin

parasitic, “growing into some other plant, and deriving its food from its juices” (Lindley); biogenous, biophilous: biogenus,-a,-um (adj.A), biophilus,-a,-um (adj.A), parasiticus,-a,-um (adj.A); "In referring to hosts of fungi the adj. parasiticus is usually omitted, being understood, in with abl. being used alone" (Stearn) + in and abl. or ad and acc.;

- inflorescentia parasitico-monoica, flore masc. ad perichaetii basin radiculis obruto (Austin), the infloresence parasitic-monoicous, with the male flower covered over with rhizoids at the base of the perichaetium; see rhizautoecious.

- parasitatur in arboribus variis at praesertim in Corylo, Fraxino et Betula, it plays the parasite on various trees but especially Corylus, Fraxinus and Betulus.

- frequens in pagina aversa foliorum Aceris, frequent on lower surface of leaves of Acer.

- in foliis vivis, in (on) living leaves; cf. host (Stearn).

- frutex in arboribus parasiticus, fruit parasitic on trees.

- Hab. aliis algis parasitica, in sinubus tranquillioribus sublimosis, it grows parasitic on other algae, in somewhat muddy, more quiet bays.

- herbae pusillae, annuae v. ad radices parasiticae (B&H), smallish herbs, annual or parasitic on roots.

- species continet 4, a ceteris non diversas nisi habitu parasítico, (B&H), it [i.e. the genus] contains 4 species, not different from the others except by the parasitic habit.

- [alga: Rivularia] Hab. in Fuco Sherardi aliisque parasitica (Agardh), it dwells parasitic on Fucus Sherardi and others.

- [alga: Lynybya] Hab. ad alias plantas plerumque parásitica (Agardh), it dwells on other plants usually parasitic.

NOTE: apparently the adjective parasitus,-a,-um (adj.A) has been used;

- (alga) fila e basi conferta, densa, tenuia, tamen nudo ocalo conspicua, 1-2 lineas longa, viridescentia, saepe pilis parasitis obsita, (Agardh), filaments crowded from the base, dense, thin, yet conspicuous to the naked eye, 1-2 lines long, greenish, often beset with parasitic hairs.

parasiticus spurius: epiphyticus,-a,-um (adj.A): “epiphytal. “growing upon some other plant without deriving any nutrition from its juices, such as Mosses, Orchids, &c.” (Lindley); see epiphyticus,-a,-um (adj.A).

internally parasitic, living and growing inside living organisms: endobioticus,-a,-um (adj.A), endoparasiticus,-a,-um (adj.A).

Acanthostigma parasiticum (Hartig) Sacc.; Xerocomus parasiticus grows as a parasite on the mushroom Scleroderma citrinum.