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Specimen data from the Consortium of California Herbarium
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Amblystegium varium
Amblystegium varium
(Hedw.) Lindb.
(redirected from:
Amblystegium varium var. alaskanum
Card. & Thér.)
Family:
Amblystegiaceae
[
Amblystegium varium var. alaskanum
Card. & Thér.,
more
Amblystegium varium var. lancifolium
Grout,
Amblystegium varium var. ovatum
(Grout) Grout,
Amblystegium varium var. parvulum
(Aust.) Grout,
Hygroamblystegium varium
(Hedw.) Mönk.
]
FNA Description
Traits Plots
Resources
Alain Vanderpoorten in FNA Volume 28
Plants
: in ± stiff mats, yellowish to dark green, dull.
Stems
: to 15 cm, creeping, stiff, rigid; cortical cells in 2â4 layers, walls incrassate; axillary hair basal cell 1, brown, distal cells elongate.
Stem
: leaves ovate-lanceolate to ovate-triangular; basal laminal cells short-rectangular, often pigmented, walls firm, eporose, region weakly differentiated; medial cells 2â7:1.
Seta
: dark red, 1.2â2.2 cm.
Capsule
: constricted below mouth when dry; exothecial cells long- to short-rectangular, 30â105 à 18â35 µm, walls firm, not collenchymatous; annulus separating, 2â4-seriate, cell walls thin; operculum acute, apiculate, or rostrate; exostome teeth yellow-brown, external surface cross striolate basally, coarsely papillose distally, internal surface trabeculate; endostome basal membrane high, segments not or narrowly perforate.
Spores
: finely papillose.
Distribution
: North America, Mexico, Central America, South America, Eurasia, s Africa, Pacific Islands (New Zealand), Antarctica.
Discussion
: Subspecies 2 (2 in the flora).
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