Contains 5 accepted taxa overall.
Characteristics
The genera Palhinhaea (P. cernua) and Pseudolycopodiella (P. caroliniana) are sometimes segregated from Lycopodiella (Field et al. 2016; Øllgaard & Windisch 2016), while Brownsey & Perrie (2020) opine that a broader Lycopodiella genus is justified.
Classification
Citation
LYCOPODIELLA Holub, Preslia 36: 20, 22. 1964.
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TYPE: Lycopodiella inundata (Linnaeus) Holub (Lycopodium inundatum Holub)
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Lycopodiella ×brucei | ||||
| Lycopodiella ×copelandii | ||||
| Lycopodiella alopecuroides | Foxtail Clubmoss | |||
| Lycopodiella appressa | Southern Bog Clubmoss | |||
| Lycopodiella prostrata | Featherstem Clubmoss, Prostrate Bog Clubmoss |
Identification Key
1. Upright shoots with numerous branches; leaves linear to needlelike; strobili 4-10 mm long, nodding or pendent at lateral shoot tips (Palhinhaea)
1. Upright shoots unbranched or sparingly branched; leaves linear-lanceolate to lanceolate; strobili 10-90 mm long, erect on upright shoots
2
2. Horizontal stems with lateral leaves larger than median leaves and lying flat on substrate, the leaves entire; peduncles with scattered, scalelike leaves, rachis clearly visible; sporophylls shorter than leaves of peduncles (Pseudolycopodiella)
2. Horizontal stems with monomorphic, supine, or arching leaves, the leaves entire or with marginal ciliate teeth; peduncles leafy with crowded unmodified leaves, rachis hidden; sporophylls subequal or longer than leaves of peduncles (Lycopodiella s.str.)
3
3. Horizontal stem leaves with marginal teeth absent or sparse; peduncular leaves mostly strict to appressed; strobilus 3-4(5) mm wide, 0-2 mm thicker than upright shoot
3. Horizontal stem leaves commonly with marginal teeth; peduncular leaves mostly spreading to ascending; strobilus (5)6-26 mm wide, 3-6 mm thicker than upright shoot
4
4. Horizontal stems (excluding leaves) (1.5)2.2-4.5 mm wide; peduncle (2.1)2.4-3.7 mm wide; largest leaves 0.5-0.7(1.2) mm wide
5
4. Horizontal stems (excluding leaves) 0.8-2.2(2.7) mm wide, prostrate to weakly arching; peduncle 1-2(2.3) mm wide; largest leaves 0.8-1.8 mm wide
6
5. Horizontal stems strongly arching; peduncle erect; sporophylls spreading; strobilus (8)10-18 mm wide
5. Horizontal stems weakly arching; peduncle lax; sporophylls ascending; strobilus 4-11(15) mm wide
6. Sporophylls ascending; strobilus 5-10(12) mm wide
6. Sporophylls divergent to spreading; strobilus (11)13-26 mm wide
7
7. Horizontal stems prostrate; peduncles 1(2), stiffly erect; aerenchyma absent in stems
7. Horizontal stems somewhat arching; peduncles (1)2-3(4), flexible; aerenchyma well developed in stems
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||