Ophioglossaceae
Australian Tropical Ferns and Lycophytes - Online edition
Ophioderma intermedium
Ophioderma intermedium (Hook.) Nishida
Link to Australian Plant Name Index for publication details and synonyms: https://id.biodiversity.org.au/name/apni/51347656
Plants terrestrial. Rhizome very short, creeping, fleshy. Fronds 1–6, clustered, erect, fleshy. Common stipe and sterile lamina forming a continuous blade; blade oblanceolate, obtuse, flattened, undivided, 7–28 cm long, 6.5–22 mm wide; venation of long narrow areoles, without included veinlets. Sporophore 3.5–5 cm long, 2.5–4 mm wide, on a terete 2.5–8 cm long stipe, fused to 1 face of the sterile lamina in the distal part; sporangia reaching to apex.
Restricted to northern NT, including Melville Is. and Groote Eylandt; also Philippines and Indonesia (Java, Sumatra and Borneo).
Terrestrial, usually in rainforest but also recorded in other areas with permanent or semi-permanent water, including Melaleuca-dominated swamps.
Field AR, Quinn CJ, Zich FA (2022) Australian Tropical Ferns and Lycophytes. apps.lucidcentral.org/fern/text/intro/index.htm (accessed online INSERT DATE).
Field AR, Quinn CJ, Zich FA (2022) ‘Platycerium superbum’, in Australian Tropical Ferns and Lycophytes. apps.lucidcentral.org/fern/text/entities/platycerium_superbum.htm (accessed online INSERT DATE).