Contains 5 accepted taxa overall.

Characteristics
Lachnocaulon Kunth
BOGBUTTON
Classification
POALES
Lachnocaulon
Citation
LACHNOCAULON Kunth, Enum. Pl. 3: 497. 1841.
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TYPE: Lachnocaulon michauxii Kunth, nom. illegit. (Eriocaulon anceps Walter; Lachnocaulon anceps (Walter) Morong)
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Lachnocaulon anceps WHITEHEAD BOGBUTTON Native FACW (NWPL) FACW (DEP)
Lachnocaulon beyrichianum SOUTHERN BOGBUTTON Native OBL (NWPL) FACW (DEP)
Lachnocaulon digynum PINELAND BOGBUTTON; PANHANDLE BOGBUTTON Native Threatened-State FACW (NWPL) OBL (DEP)
Lachnocaulon engleri ENGLER'S BOGBUTTON Native FACW (NWPL) OBL (DEP)
Lachnocaulon minus SMALL'S BOGBUTTON Native OBL (NWPL) OBL (DEP)
[Family identification key]
1.  Heads pale gray to white; apical hairs of receptacular bracts and perianth white, mealy, opaque; scapes hairy, infrequently glabrous
2
1.  Heads brown or gray-brown; apical hairs of bracts and perianth translucent, not white, the brown color of bract and perianth showing through; scapes glabrous or with ascending hairs
3
2.  Leaves linear, gradually attentuate; scapes usually pilose throughout, infrequently glabrous; mature heads 4-7(9) mm wide, whitish to pale gray; seeds pale to dark brown, not lustrous, longitudinal ribs conspicuous, transverse ribs less conspicuous than longitudinal ribs
2.  Leaves narrowly linear, abruptly attenuate; scapes glabrate within 1 cm below heads; mature heads 3.5-4(5) mm wide, dull gray-brown or pale gray; seeds dark red-brown, very lustrous, longitudinal ribs faint, transverse ribs forming finely cross-striolate pattern
3.  Scapes with ascending hairs; heads dull gray-brown; hairs of receptacle copious, partly obscuring flowers (old heads may lose some hairs); gynoecium 3-carpellate
3.  Scapes glabrous; heads gray to brown or reddish brown; gynoecium 2-3-carpellate
4
4.  Leaves 0.5-1(2) cm long; scape sheaths longer than above leaves; heads gray or gray-brown, usually globose by seeding time; gynoecium 2-carpellate
4.  Leaves 2-3(4) cm long; scape sheaths shorter than or subequal to leaves; heads dark brown to reddish brown, usually short cylindric by seeding time; gynoecium 3-carpellate
Genus Synonyms
Synonym Full Citation Basionym Type
No synonyms found.