Determined according to the botanical keys provided by Valentine in Tutin et al. (1964) and Szczęśniak et al. (2015).
A morphologically similar species to Polypodium vulgare L. Observation of number of macromorphological features and the micromorphological features of the sporangia is essential for correct delimitation. Reported for the first time for the flora of North Macedonia by Melovski and Hristovski (2015).
Lifeform: Perrenial; Hemicryptophyte according to the Raunkiær system.
Distribution: Native to Madeira, Europe to Iran according to the distribution information provided by the Plants of the World Online portal (Royal Botanic Garden, Kew).
Habitat: Shady habitats- oak forests, shaded rocky areas, river gorges.
Polypodium interjectum – habit. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – habit. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – habit. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – habit. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – leaves. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – leaves. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – leaves. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – leaves. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – leaves. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – leaves. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – leaves. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – leaves. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – leaves. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – leaf. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – leaf. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – adaxial side of leaf lobe. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – abaxial side of leaves with sori. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – sori. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – sori. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – sori. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – sori. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – sori. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – leaf petioles. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – leaf petiole. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – sporangium with spores. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – sporangium. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – sporangium. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – sporangium. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – sporangium. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – sporangium. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.Polypodium interjectum – sporangium. Gorge of “Kochanska” River, 04.03.2023. Photo by Trajche Dimitrovski.
Polypodium L. Valentine, D.H. in Tutin, T.G., Heywood, V.H., Burges, N.A., Moore, D.M., Valentine, D.H., Walters, S.M., & Webb, D.A. (1964). Flora Europaea. Volume 1. Lycopodiaceae to Platanaceae. Cambridge: Cambridge University Press, p. 23.
Szczęśniak, E., Jędrzejczyk, I., Gola, E.M., Pielech, R., Reczyńska, K. & Świerkosz, K. Polypodium Interjectum And P. × Mantoniae (Polypodiaceae) In The Polish Sudetes. Polish Botanical Journal 60(2), pp. 163–172, 2015. DOI: 10.1515/pbj-2015-0021. http://archive.sciendo.com/PBJ/pbj.2015.60.issue-2/pbj-2015-0021/pbj-2015-0021.pdf [Accessed 04.03.2023].
