Contains 16 accepted taxa overall.
Characteristics
Classification
Citation
ASPLENIUM Linnaeus, Sp. Pl. 1078. 1753.
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TYPE: Asplenium marinum Linnaeus Lectotypified by J. Smith, Hist. Filicum 316. 1875.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Asplenium abscissum | CUTLEAF SPLEENWORT | Native FACW (NWPL) | ||
| Asplenium cristatum | HEMLOCK SPLEENWORT | Native FAC (NWPL) | ||
| Asplenium dentatum | TOOTHED SPLEENWORT; SLENDER SPLEENWORT | Native Rare-State FACU (NWPL) | ||
| Asplenium erosum | EARED SPLEENWORT; AURICLED SPLEENWORT | Native Rare-State | ||
| Asplenium heterochroum | BICOLORED SPLEENWORT; VARICOLORED SPLEENWORT | Native FAC (NWPL) | ||
| Asplenium monanthes | SINGLE-SORUS SPLEENWORT; SAN FELASCO SPLEENWORT | Native Rare-State | ||
| Asplenium platyneuron | EBONY SPLEENWORT | Native FACU (NWPL) | ||
| Asplenium pumilum | DWARF SPLEENWORT; CHERVIL SPLEENWORT | Native Rare-State FAC (NWPL) | ||
| Asplenium resiliens | BLACK-STEMMED SPLEENWORT | Native | ||
| Asplenium serratum | WILD BIRDNEST FERN; BIRD'S-NEST SPLEENWORT | Native Rare-State | ||
| Asplenium trichomanes | MAIDENHAIR SPLEENWORT | Native FAC (NWPL) | ||
| Asplenium verecundum | MODEST SPLEENWORT; DELICATE SPLEENWORT | Native Rare-State | ||
| Asplenium x biscaynianum | BISCAYNE SPLEENWORT | Native | ||
| Asplenium x curtissii | CURTISS' SPLEENWORT | Native | ||
| Asplenium x heteroresiliens | MORZENTI'S SPLEENWORT | Native | ||
| Asplenium x plenum | RUFFLED SPLEENWORT | Native |
Identification Key
1. Leaves simple, the petiole indistinct from the blade
1. Leaves 1- to 3-pinnate, with a distinct, naked petiole
2
2. Leaves 2- or 3-pinnate (at least some leaves, the pinnae rachis sometimes winged)
3
2. Leaves 1-pinnate
7
3. Spores of uniform shape and size
4
3. Spores malformed, of different sizes and shapes
4
4. Leaves 1- to 2-pinnate, the pinnae shallowly divided with little space between the blade tissue, the pinnules mostly coarsely dentate
4. Leaves 2- to 3-pinnate, the pinnae deeply divided with wide spaces between the blade tissue the pinnules mostly oblong-elliptic to deeply lobed
5. Overall leaf shape linear-lanceolate, the pinnae to 2 cm long
5. Overall leaf shape lanceolate, the pinnae to 6 cm long
6
6. Medial pinnae pinnately divided throughout
6. Medial pinnae pinnately divided only in the proximal part, lobed or toothed distally
7. Overall leaf blade shape broadly deltoid, with 1-2(4) pairs of pinnae, the veins with fine eglandular hairs
7. Overall leaf blade shape linear-oblong to lanceolate, with 5-35 pairs of pinnae, the veins usually with hair-like scales or glandular hairs or glabrous
8
8. Leaves with 4-8(12) pairs of pinnae
9
8. Leaves with (10)15-40 pairs of pinnae
10
9. Overall leaf blade shape deltate; pinnae 30-70 mm long (at least larger ones)
9. Overall leaf blade shape linear-oblong; pinnae 2-11 mm long
10. Blade tissue at base of pinnae overlapping the primary rachis
10. Blade tissue at base of pinnae not overlapping the primary rachis
11
11. Pinnae with 1-2(3) sori, these along the distal, proximal margin and perpendicular to the primary rachis
11. Pinnae with (1)4-10 sori, these mostly evenly distributed along the pinnae along lateral veins
12
12. Medial pinnae 2-6(9) cm long (at least on larger leaves); epiphyte on trees
12. Medial pinnae 0.2-2 cm long; mostly on rocks or in rocky areas
13
13. Pinnae 2-9 mm long, 1-1.5(2) times longer than wide
13. Pinnae (5)6-20 mm long, 1.5-2.5(3) times longer than wide
14
14. Pinnae margins subentire, undulate, or obscurely crenate-dentate; sori supramedial; spores 32
14. Pinnae margins distinctly crenate or dentate; sori medial to inframedial; spores 32 or 64 per sporangium
15
15. Pinnae margins dentate to crenate, a basal auricle lacking or obscure, the veins conspicuous; spores 64 per sporangium
15. Pinnae margins shallowly crenulate, with a basal auricle, the veins obscure; spores 32 per sporangium
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Acropteris | Acropteris Link, Handb. 3: 23. 1833. | TYPE: Acropteris septentrionalis (Linnaeus) Link (Acrostichum septentrionale Linnaeus) | |
| Amesium | Amesium Newman, Hist. Brit. Ferns, ed. 2. 10. 1844. | TYPE: Amesium septentrionale (Linnaeus) Newman (Acrostichum septentrionale Linnaeus) = Acropteris Link 1833. | |
| Antigramma | Antigramma C. Presl, Tent. Pterid. 120, t. 4(9-10). 1836. | TYPE: Antigramma repanda (C. Presl) C. Presl (Scolopendrium repandum C. Presl) Lectotypified by Copeland, Gen. Filicum 171. 1947. | |
| Asplenidictyum | Asplenidictyum J. Smith, Hist. Filicum 333. 1875. | TYPE: Asplenidictyum finlaysonianum (Wallich ex Hooker) J. Smith (Asplenium finlaysonianum Wallich ex Hooker) | |
| Biropteris | Biropteris Kuemmerle, Magyar Bot. Lapok. 19: 2. 1922. | TYPE: Biropteris antri-jovis Kuemmerle | |
| Caenopteris | Caenopteris Bergius, Acta Acad. Sci. Imp. Petrop. 1782(2): 249. 1786. | TYPE: Caenopteris rutaefolia Bergius Lectotypified by Copeland, Gen. Filicum 166. 1947. | |
| Ceterac | Ceterac Adanson, Fam. Pl. 2: 20, 536. 1763, nom. rej. vs. Ceterach Willdenow 1804. | TYPE: = Asplenium Linnaeus 1753. | |
| Ceterachopsis | Ceterachopsis (J. Smith) Ching, Bull. Fan Mem. Inst. Biol. 10: 8. 1940. | BASIONYM: Asplenium Linnaeus, sect. Ceterachopsis J. Smith, Hist. Filicum 317. 1975. | TYPE: Asplenium alternans Wallich ex Hooker |
| Darea | Darea Jussieu, Gen. Pl. 15. 1789. | TYPE: Non designatus. | |
| Diplora | Diplora Baker, J. Bot. 11: 235. 1873. | TYPE: Diplora integrifolia Baker | |
| Eremopodium | Eremopodium Trevisan de Saint-Leon, Atti Reale Ist. Veneto Sci. Lett. Arti, ser. 5. 3: 589. 1877. | TYPE: Eremopodium sundense (Blume) Trevisan de Saint-Leon (Asplenium sundense Blume) Lectotypified by Pichi Sermolli, Webbia 28: 453. 1973. | |
| Glossopteris | Glossopteris Rafinesque, Anal. Nat. Tabl. Univ. 205. 1815, nom. rej. vs. Glossopteris Brongniart 1828. | TYPE: = Phyllitis Hill 1757. | |
| Hymenasplenium | Hymenasplenium Hayata, Bot. Mag. (Tokyo) 41: 712. 1927. | TYPE: Hymenasplenium unilaterale (Lamarck) Hayata (Asplenium unilaterale Lamarck) | |
| Loxoscaphe | Loxoscaphe T. Moore, Hooker's J. Bot. Kew Gard. Misc. 5: 227. 1853. | TYPE: Loxoscaphe concinna (Schrader) T. Moore (Davallia concinna Schrader) Lectotypified by Copeland, Gen. Filicum 168. 1947. | |
| Micropodium | Micropodium Mettenius, Ann. Mus. Bot. Lugduno-Batavi 2: 232. 1866, non Saporta 1861. | TYPE: Micropodium longifolium (C. Presl) Mettenius (Scolopendrium longifolium C. Presl) Lectotypified by J. Smith, Hist. Filicum 323. 1875. | |
| Neottopteris | Neottopteris J. Smith, J. Bot. (Hooker) 4: 409. 1841. | TYPE: Neottopteris vulgaris J. Smith, nom. illegit. (Asplenium nidus Linnaeus; Neottopteris nidus (Linnaeus) J. Smith ex Hooker) Lectotypified by J. Smith, Hist. Filicum 328. 1875. | |
| Phyllitis | Phyllitis Hill, Brit. Herb. 525. 1757. | TYPE: Phyhllitis scolopendrium (Linnaeus) Newman (Asplenium scolopendrium Linnaeus) | |
| Scolopendrium | Scolopendrium Adanson, Fam. Pl. 2: 20, 602. 1763. | TYPE: Scolopendrium vulgare Smith (Asplenium scolopendrium Linnaeus) Lectotypified by Pichi Sermolli, Webbia 9: 432. 1953. = Phyllitis Hill 1757. | |
| Tarachia | Tarachia C. Presl, Epimel. Bot. 74. 1851 ("1849"); Abh. Koenigl. Boehm. Ges. Wiss., ser. 5. 6: 434. 1851. | TYPE: Tarachia furcata (Thunberg) C. Presl (Asplenium furcatum Thunberg) Lectotypified by C. Christensen, Index Filic. XXXIV. 1906. | |
| Thamnopteris | Thamnopteris (C. Presl) C. Presl, Epimel. Bot. 68. 1851 ("1849"); Abh. Koenigl. Boehm. Ges. Wiss., ser. 5. 6: 428. 1851, non Brongniart 1849. | BASIONYM: Asplenium Linnaeus, subg. Thamnopteris C. Presl, Tent. Pterid. 105. 1836. | TYPE: Thamnopteris nidus (Linnaeus) C. Presl (Asplenium nidus Linnaeus) = Neottopteris J. Smith 1841. |
| Triphlebia | Triphlebia Baker, in Beccari, Malesia 3: 41. 1886. | TYPE: Triphlebia pinnata (J. Smith ex Kunze) Baker (Scolopendrium pinnatum J. Smith ex Kunze) Lectotypified by C. Christensen, Index Filicum XXXII. 1906. |