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Published In: Flora Boreali-Americana (Michaux) 2: 289. 1803. (Fl. Bor.-Amer.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 3/24/2011)
Acceptance : Accepted
Project data     (Last Modified On 3/24/2011)
Discussion: This species is marked by its longer-necked capsules and gradually narrowed leaves that have narrowly recurved, weakly denticulate margins. Trematodon ambiguus has abruptly narrowed leaves with erect margins that are obscurely roughened to entire and a costa that flares outward at the base of the awn to occupy the entire subula. Britton (1913) and Crum and Steere (1957) considered T. longicollis and T. reflexus C. Müll. synonymous; in Central America all collections named T. reflexus are identical to T. longicollis.
Illustrations: Grout (1936, Pl. 25); Bartram (1949, Fig. 14 I–K); Takaki (1962, Fig. 2); Crum and Anderson (1981, Fig. 67 H–L); Kumar (1985, Pl. 3); Li (1985, Fig. 9 10–18); Noguchi (1987, Fig. 52 A); Cao and Gao (1988, Figs. 1–3).
Habitat: On soil; 20–1500 m.
Distribution in Central America: GUATEMALA. El Progreso: Sharp 5078 (F, FH, US); Izabal: Jones & Facey 3415b (MO). HONDURAS. Atlántida: Standley 53185 (F, FH, US). COSTA RICA. Guanacaste: Alfaro (US); Heredia: Grayum 9630 (MO). PANAMA. Chiriquí: Correa 1508 (MO).
World Range: Eastern Canada, North-Central, Northeastern, and Southeastern U.S.A.; Mexico; Central America; Caribbean, Western South America, Brazil; Southeastern Europe; China, Japan; Indian Subcontinent, Indo-China, Malesia; Southern Africa; New Zealand; Northwestern, North-Central, Southwestern, and South-Central Pacific.

 

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Trematodon longicollis Michx., Fl. Bor. Amer. 2: 289. 1803. Type. U.S.A., North Carolina, in arenosis Carolinae, Michaux. 

Plants scattered, yellow-green, terricolous, 3–5 mm long. Leaves evenly spaced, flexuous spreading when wet, clasping, oblong to oblong-ovate at base, gradually long linear-subulate above, 2–3 mm long; margins weakly recurved above, entire below, weakly denticulate by blunt teeth above; costa percurrent; upper cells short-rectangular, walls firm and thickened; basal cells laxly oblong-rhomboidal to long rectangular, pale whitish yellow. Autoicous. Setae 10–15 mm long, smooth, yellow; capsules inclined, yellow, urn ellipsoidal 1.5–2.0 mm long, neck 3.0–4.0 mm long; annuli deciduous, revoluble; opercula rostrate, 1.0 mm long; stomata crytoporic and phaneroporic stomata; peristome teeth red, lanceolate, vertically striate. Spores densely papillose or minutely warty.

 

 

 
 
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