Funaria hygrometrica
Funaria hygrometrica var. calvescens
bonfire moss, common cord-moss, funaria moss
smaller proximally, distal leaves 2–4 mm, deeply concave, oblong-ovate to broadly obovate distally, acute to apiculate or short-acuminate, entire or weakly serrulate distally;
costa subpercurrent to short-excurrent;
distal laminal cells thin-walled and inflated, hexagonal or oblong-hexagonal becoming much more oblong proximally.
usually (12–)20–45(–80) mm, slender and flexuose, usually hygroscopic.
2–3.5 mm, pyriform, asymmetric, curved to straight, horizontal to pendent or merely inclined or nearly erect, becoming sulcate when dry below the strongly oblique mouth;
annulus revoluble, operculum slightly convex;
peristome brown, papillose-striate proximally and papillose distally, strongly trabeculate, becoming appendiculate distally, forming a lattice by fusion of the tips;
endostome segments lanceolate about 2/3 as long as the teeth, yellowish, finely papillose-striate.
2–3 mm, inclined to nearly erect, straight or weakly curved, narrowly tapered to a long slender neck, mouth nearly parallel to the axis of the capsule.
cucullate, smooth.
mostly 12–21 µm, finely papillose.
Funaria hygrometrica
Funaria hygrometrica var. calvescens
Varieties ca. 20 (2 in the flora).
Funaria hygrometrica is one of the most common, weedy, and widely distributed mosses in the world; its distribution closely parallels that of Bryum argenteum. It is widely illustrated in textbooks to demonstrate the life cycle of a typical moss, possibly because of the abundant conspicuous sporophytes produced and its frequent presence in greenhouses. However, the peristome with opposite, instead of alternate, teeth in the two peristome rows is clearly atypical among the majority of mosses. Most of the varieties that have been described probably do not merit recognition because of the morphological plasticity of the species in response to environmental conditions.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Variety calvescens seems to be a tropical expression of the species although it is known from a few southern states in the United States. H. A. Crum and L. E. Anderson (1981) suggested that the name has been misused to the extent that other North American records outside the southeastern United States should be ignored. This variety is apparently widely distributed in tropical latitudes.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Capsule 2-3.5 mm, horizontal to pendent, curved, capsule neck less tapered, mouth of capsule narrow | var. hygrometrica |
1. Capsule 2-3 mm, inclined to nearly erect, straight or weakly curved, capsule narrowly tapered to a long slender neck, mouth of capsule wide. | var. calvescens |
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