4.1 Cyathea contaminans (Wall. ex Hook) Copel
Cyathea contaminans (Wall. ex Hook) Copel is a tribe of Cyatheaceae and has synonyms including Polypodium contaminans Wall. Cat., Alsophila contaminans Wall. ex Hook., Alsophila acuta Presl, Alsophila smithiana Presl, and Alsophila clementis Copel (Mustacisa-Lacaba et al., 2021; Warseno, 2015). This nail is known as a "treenail" by some people in Indonesia. The local names of these nails in Indonesia are pehon nails, board nails, Tihangbodas nails (Sunda), Pole nails (Bali), Bagedor (West Java), and Tree ferns (North Sumatra) (Gultoma et al., 2015). These nails' characteristics that stand out are fronds that resemble coconut trees, having a high stature, and growing in groups with other types of nails. It thrives on mountain slopes and sheltered places at 1,060–1,600 meters above sea level. Morphologically, the roots of the fibers protected by calyptra are black and slender and covered with rough roots; they are tight and thick, and there are shallow indentations of the petiole marks attached. The height of the stem reaches 6–7 m. The location of the leaves is paired. The leaf bones are purplish and equipped with sharp spines. The leaves are 150 × 30 mm in size. These spikes are equipped with sorus near the edges of the leaves. There is no indusium. It resembles an umbrella and grows terrestrially (Ciawi et al., 2022; Wardani, 2018). The community widely uses this type of nail for crafts, ornamental plants, and raw materials for traditional medicine (Ahmad Faizal et al., 2020; Ciawi et al., 2022; Mustacisa-Lacaba et al., 2021).
4.2 Asplenium nidus L.
Asplenium nidus L. It is a tribe of Aspleniaceae and has the synonym Asplenium nidus, syn. with A. ficifolium Goldm., Thamnopteris nidus (L.) C. Presl., Neottopteris rigida Feé). This nail is known as the "bird's nest nail" by the people of Bali (Lestari & Nindira, 2021). Asplenium nidus L. species grows in terrestrial and epiphytic areas, many of which are found in the mountains at 1,700–2,500 meters above sea level. These spikes are identical to the elongated morphology of the leaves, which are bright green and darken as they approach maturity. The length of the leaves is 150 cm long by 20 cm wide. The edges of the leaves are choppy, the leaves are lanceolate and arranged circularly, and the tips of the leaves are tapered. The petioles are sturdy, black in color, and have a length of 5 cm. The texture of the leaves resembles paper. The short rhizome is covered with smooth and dense scales. Sorus is located on the lower surface of the leaves and is arranged following the venation. The sori are narrow and located above the veins of the leaves (Nabila et al., 2021; Supiandi et al., 2019). Asplenium nidus L. is utilized by the community as an ornamental plant because of its unique shape and has benefits as a restorative material, especially anticonvulsant, skin disease drugs, and antichemotactics, which have been widely researched (Andrade et al., 2014; Faral et al., 2019; Heo et al., 2021; Zeng & Lai, 2019a).
4.3 Asplenium sp.
Asplenium sp. is a tribe of Polypodiaceae that belongs to the herbaceous nail. The habitat is terrestrial and has the local name of a land nail (Bali), which helps the bird's nest. These spikes are found in moist and terrestrial areas and are classified as terrestrial. The morphology of the leaves on these spikes is single-shaped, with fine serrations on the edges of the leaves, a pinnate shape, and a dark green to dark green coloration that suggests the presence of delicate feathers above the leaf surface. There are different types of sporophylls, anglophiles, and fertile leaves. There are also spores on the enthalpy and stiff. The stem is long and slender, measuring 1-2 cm with a 60 cm–1 m. The stem is blackish-brown and has branching. The roots are fibrous, coarse, and dark brown. The sporangium is in an annulus-shaped dun of 3-5 mm, yellow in color, with fine spores and sorus surrounded by insidium (Andrade et al., 2014; Heo et al., 2021; Nabila et al., 2021). Asplenium sp. leaves have been known to contain essential oils used in traditional medicine (Hammami et al., 2016; Rai et al., 2017). It has analgesic benefits (Ekici & Sisman, 2020) and contains isolated chemical constituent for commercial purposes in society (Zeng & Lai, 2019b).
4.4 Selaginella sp.
Selaginella sp. is known as rane nails or moss spikes. This species grows creeping, slightly erect, and herbaceous. In addition, nails of this type can grow at an altitude of 10–1,500 meters above sea level. It grows in a partially moist environment of xerophytes and epiphytes. Morphological single, squawked leaves lined up along the stem resemble a needle with a length of 1-2 mm. The dominant color of the leaves is dark green, with micropile and anisophile leaf types. On upright stems, 15–35 cm high, there are roots on branching, rounded stems, prostrate, and creeping stem types. Furthermore, the sorus in Selaginella sp. is heterosporous, producing microspores composed of strobilus. This species thrives under the dominance of one stem and has many branches (Baskaran et al., 2018; Rindita et al., 2020). Selaginella sp. is a nail rich in secondary metabolites in the form of flavonoids, phenols, and polyphenols that are beneficial for health (Reginaldo et al., 2021). Sustainable cultivation and conservation are strongly recommended to increase the number of species and cultivate plants as traditional medicinal agents (Anwar et al., 2021; Oon et al., 2021).
4.5 Diplazium esculentum
Diplazium esculentum is a tribe of Athyriaceae that is generally consumed by the community in the form of vegetables. These spikes belong to homospora, which inhabits habitats in rivers or moist soils, grow at 350–1,600 meters above sea level, and are classified as terrestrial spikes. Morphologically, the leaves of this nail are a type of compound leaf, pinnate, lanceolate shape, the presence of serrations, and pointed ends, with a length of 5–6 sm and a width of 1-2 cm. Young totals are generally covered with dark brown scales. Stalks and stems are green, 50–80 cm long. The roots on these spikes are fat and gathered, the rhizome is short, about 5 mm, and the rhizome propagates to the errect. The elongated sori resemble a crescent moon in the indusia vein. The sorus is ring-shaped, uneven, and follows the direction of the leaf veins. This nail is utilized because it contains various therapeutic benefits, especially in traditional medicine (Halimatussakdiah et al., 2018; Semwal et al., 2021; Zihad et al., 2019).
4.6 Angiopteris evecta (G.Forst.) Hoffm
Angiopteris evecta (G.Forst.) The Hoffm is a Marattiaceae tribe synonymous with the synonyms Polypodium evectum G. Forst and Angiopteris palmiformis (Cav.). It grows terrestrially in the tropics at 950–1,200 meters above sea level. With humid soil conditions, optimal temperatures range from 19–27oC. This nail has the local name of elephant nail, "Bali and Java," and is widely found in the highlands of Bali (LIPI, 2022). This species has three variations at the base of the leaf frond stalk, namely dark green, white waxy, and brown. Leaf morphology in Angiopteris evecta (G.Forst.) Hoffm is a pinnate double compound, up to 6 m long, with sporophyte bone leaves and isophilic leaves with a length of 5 cm and a width of 7 cm. The leaves have a dark green color and shallow jagged edges. The stems of these spikes are erect, green, and have cavities. Part of the stem is decorated with hair thorns and rementas. Sori is a lateral annulus and forms a long line. Sori is reddish-brown, resembles a heart, and has an indusium. Sori size ±0.5-1.5 mm from the edges and is classified as homospora (Atho et al., 2020; Warseno, 2015). This nail has been researched and is known to have benefits as an antiretroviral, especially in HIV disease, which until now has not been found to have a cure or vaccine (Rindita et al., 2020). It is essential to encourage the use and cultivation of this nail because tropical diseases have been a problem for many people. This will aid in the quest for novel medication candidates derived from the nail Angiopteris evecta Hoffm (Wang et al., 2020).
4.7 Cyathea sp.
Cyathea sp. It is a tribe of the Cyatheaceae, which is the most prominent family in Cyanthea Park. This nail is included in the nail of a tree with a 20-meter span. These spikes grow terrestrially and include herbaceous spikes because they contain about 80% water in their bodies. It is characterized by a robust stem and rhizome (stick-like dominance). It can reach a height of 15 meters and a diameter of 25–50 centimeters. It has 1-meter-long tripinnatifid leaves with an elongated form and pointy ends. On the shoots, there are serrations. The length of the leaves reaches 7–13 cm, with a width of 4 cm. The surface is paper-like, bright green to dark in color, with the presence of feathers on the fronds and leaves, including anisophiles. Next, the spore type of bean seed monolet and cup monolet is The entire sorus located at the bottom of the leaves, while the roots are all-encompassing and protected by calyptra, and there are serrations at the top (Warseno, 2015). This nail is widely used as a kicker and other nail protectors underneath (LIPI, 2022). In addition, these spikes have been known to be beneficial as antiretrovirals (Larson et al., 2014) and fever drugs.
4.8 Nephrolepis hirsutula (Forst) C. Presl
Nephrolepis hirsutula (Forst) C. Presl is a tribe of Davalliaceae that grows terrestrial and epiphytic at an altitude of 900–1,750 meters above sea level. This spike can grow in cuca and extreme temperatures, including deserts and open highland areas. The local name for this nail is pedang nail (Bali, Java, and Sumatra). A particular characteristic of this nail is that it has an elongated enthalpy resembling a sword. These nails have leaf bones that have branching; the tips of the leaves are snaking, and they include microphyl (small) and macrophiles (large). The size of the leaves is 2 cm long by 1 cm wide. The shape of the leaves is pushed with the splitting tip, and the edges of the leaves are jagged. Young leaves roll, green in color, and the leaves have three types: tropophils, sporophylls, and bropophiles. The stems of these spikes are rounded, the height of the stem reaches 0.5 cm, they are brownish, and they have fine hairs. The sporangium is neatly arranged on the leaf vein test and grows to the height of the leaves (LIPI, 2022). This nail is also helpful as an antiviral, antimicrobial, anti-inflammatory and can treat diarrhea in both children and adults (Popovici et al., 2018; Renjana et al., 2021).
4.9 Dicksonia blumei (Kunze) Moore
Dicksonia blumei (Kunze) Moore is a Cyatheaceae tribe known by the local names of paku kidang, lemputu, and lempunah (Bali) (LIPI, 2022). This nail belongs to the nail type of tree with a large trunk and a high stature. These spikes are found at 1.060–1.755 masl altitudes and love moist and watery areas. These plants include epiphytes and hydrophytes but are generally affected. Morphologically, the roots of these spikes are fibers protected by calyptra, and their shape is rough, black, tight, and thick with tapered aids. Slender stem stature with a height of up to 6-7 m. It has a fresh leaf, strands of inscribed leaves, and is located in pairs. The length of the petiole reaches 1 m. The bones of the primary leaves are pale, purplish, and sharply prickly. Children have a size of 34 cm and the presence of rolled vernation on young leaves. This nail has a 1 m long enthalpy, purplish brown, and a rolling enthalpy resembling a violin handle. There is a sporangium in the sorus, which is found on the lower surface of the leaves (Warseno, 2015; Zuhri et al., 2016). Feathers or hair-containing stems are widely used as planting media, and leaves and shoots are traditional medicine (Muhyi et al., 2020).