Gastoniella chaerophylla (Desv.) Li Bing Zhang & Liang Zhang

Yañez, A., Marquez, G. J., Berrueta, P. C. & García, R. A., 2021, An urban fern refugium: Municipal Ecological Reserve of Avellaneda (Eco Área) (Buenos Aires, Argentina), Blumea 66 (3), pp. 227-235 : 232

Gastoniella chaerophylla (Desv.) Li Bing Zhang & Liang Zhang — Fig. 3d

Origin — Native. Neotropical species, widely distributed in Mexico, Central America, and southern South America. In Argentina it is cited for the Northwest (Jujuy), Center (Córdoba, Santa Fe and Buenos Aires) and Northeast .

Habitat & Ecology — Terrestrial.

Location within the reserve — It was found growing in humid and shady environments on the edge of temporary ponds and low flow streams. During the collections carried out in 2020, new and numerous populations were found growing under the tourists walkways.

Observations — Only young gametophytes and sporophytes, a few centimetres long were found during 2018 and 2019. They were cultivated in vitro until obtaining mature sporophytes with fertile fronds. Later, in the trips carried out during 2020, fertile populations were found in the field.

Illustration and morphological description reference — Arana (2016).

Studied specimen. ARGENTINA, Buenos Aires, Mun.Avellaneda, Reserva Ecológica Municipal de Avellaneda (Eco Área), Yañez et al. 567 (BA), 22-XII-2020 .