Lycopodiella subappressa

J. G. Bruce

W. H. Wagner, & Beitel, Michigan Bot. 30: 4. 1991.

Common names: Northern appressed club-moss
Treatment appears in FNA Volume 2.

Horizontal stems flat on ground, 4–17 × 0.3–0.8 cm, stems (excluding leaves) thick, 1–1.5 mm diam.; leaves monomorphic, vertically ascending, further ascending when dry, 4–6 × 0.8–1 mm, marginal teeth absent. Upright shoots 1, 9–13 × 0.4–0.5 cm; strobilus 1/5–1/3 (–1/2) total length; leaves strongly appressed, 3.5–6 × 0.3–0.8 mm, marginal teeth absent. Strobili 20–40 × 4–8 mm. Sporophylls appressed, 3–4 × 0.2–0.5 mm, marginal teeth absent. 2n = 312.


Habitat: Wet, acidic ditches and borrow pits
Elevation: 0–200 m

Discussion

The distinctive Lycopodiella subappressa and L. margueritae are sexual polyploids. The full geographic distribution of L. subappressa is still unknown.

Of conservation concern.

Selected References

None.

Lower Taxa

None.
... more about "Lycopodiella subappressa"
Warren H. Wagner Jr. +  and Joseph M. Beitel +
J. G. Bruce +
Northern appressed club-moss +
0–200 m +
photosynthetic +
pincushion--shaped +
Wet, acidic ditches and borrow pits +
pseudomonopodial +, dichotomous +, branching +, branched +  and simple +
flat +  and round +
monomorphic +
not imbricate +
remote;dense +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
ascending;ascending +
linear-lanceolate +
trimorphic +  and uniform +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
aerial +  and subterranean +
not differentiated +
W. H. Wagner, & Beitel, Michigan Bot. +
distinct +
emerging +
0.2 cm2 mm <br />0.002 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
9cm +  and 13cm +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
plectostelic +  and actino +
axillary +  and adaxial +
thick-walled +  and trilete +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.2mm +  and 0.5mm +
protostelic +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
4 cm40 mm <br />0.04 m <br /> (17 cm170 mm <br />0.17 m <br />) +
thick;0.3cm;0.8cm +
subterranean +
stalked +  and sessile +
modified +  and unmodified +
photosynthetic +
differentiated +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
small-grooved +
subterranean +
reticulate +, rugulate +  and pitted +
Lycopodiella subappressa +
Lycopodiella +
species +
blunt +  and more or less acute +