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Published In: Flora Brasiliensis 1(2): 119. 1840. (Fl. Bras.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 7/9/2009)
Acceptance : Accepted
Project Data     (Last Modified On 7/9/2009)
Status: Native

 

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1. Selaginella apoda (L.) Fern. (meadow spikemoss) Pl. 19a,b; Map 65

Leaves in 4 ranks along the stems, the margins minutely serrulate. Lateral leaves in 2 ranks along the branches, 1.3–2.3 mm long, spreading, ovate. Leaves of the upper stem surface in 2 ranks, 1–1.6 mm long, appressed, ovate, the tip acute to slightly attenuate, the midvein not extending to the tip. Strobili somewhat flattened in cross-section, the leaves 4-ranked, the megasporangia usually occurring in the rank on the underside of the strobilus. Megaspores light yellow, with a dense network of ridges on the surface. Microspores orange. 2n=18. May–November.

Scattered in the southern half of the state west to Camden and Ozark Counties (eastern U.S. west to Texas). On moist soil and rocks along creek banks and bluff ledges.

This species and S. eclipes are very closely related and can be difficult to distinguish. Leaf shape varies with leaf position on the plant as well as apparently with soil acidity (Buck, 1977). The relationship and taxonomic distinctions between these two spikemosses requires further study.

 
 


 

 
 
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