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Search Term
Taxithelium
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any
Synonyms
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[Plant search results genus]
Record Format
Scientific Name
Common Name
Family
Genus
Specimens
Photo(s)
Infraspecies
Infraspecies Author
Ecology
Native
Endemic
DEP
EPPC1
EPPC2
Global Rank Comment
Growth Habit
Nature Serve
NWI
Plant Notes
Species
Species Author
State Rank Comment
Status State
Status US
Taxon Notes
USDA Symbol
WAP
Accepted Name
UPRIGHT BURRHEAD
Y
N
OBL
N
N
OBL
berteroi
(Spreng.)Fassett
Accepted Name
CREEPING BURRHEAD
Y
N
OBL
N
N
OBL
cordifolius
(L.) Griseb.
Accepted Name
FLORIDA BURRHEAD
N
N
N
N
OBL
Echinodorus floridanus was once considered an endangered and endemic species. Now it is included in synonymy under E. grandiflorus.
grandiflorus
(Cham. & Schltdl.)Micheli
Accepted Name
DWARF BURRHEAD; MUDBABIES
Y
N
OBL
N
N
OBL
Though often placed in Echinodorus, this species is now typically placed in Helanthium (Chen et al. 2012; Ross et al. 2015; Trias-Blasi et al. 2015; Lehtonen 2017).
tenellum
(Mart. ex Schult. & Schult.f.)Britton ex J.G.Sm.
Accepted Name
LONGBEAK ARROWHEAD
Y
N
OBL
N
N
OBL
australis
(J.G.Sm.)Small
Accepted Name
THREADLEAF ARROWHEAD
Y
N
OBL
N
N
OBL
filiformis
J.G.Sm.
Accepted Name
CHAPMAN'S ARROWHEAD
var. chapmanii
J.G.Sm.
Y
N
OBL
N
N
This taxon is best considered a distinct species, as it was not recovered as part of the S. graminea species clade based on a DNA phylogeny (Ito et al. 2020).
graminea
Michx.
Accepted Name
GRASSY ARROWHEAD
var. graminea
Y
N
OBL
N
N
OBL
The allozyme studies by Hauber & Lege (1999) are intriguing with respect to the taxonomy of S. graminea. It was based mostly on samples from LA and MS and two samples from the FL panhandle.
graminea
Michx.
Accepted Name
WEATHERBY'S ARROWHEAD
var. weatherbiana
(Fernald)Bogin
Y
N
OBL
N
N
OBL
graminea
Michx.
Accepted Name
QUILLWORT ARROWHEAD
Y
N
OBL
N
N
OBL
isoetiformis
J.G.Sm.
Accepted Name
SPRINGTAPE
Y
N
OBL
N
N
OBL
Seemingly endemic to Florida, this species has been reported from Jackson Co., Mississippi (Mississippi Natural Heritage Program 2016).
kurziana
Glück
Accepted Name
BULLTONGUE ARROWHEAD
subsp. lancifolia
Y
N
OBL
N
N
OBL
lancifolia
L.
Accepted Name
BULLTONGUE ARROWHEAD
subsp. media
(Micheli)Bogin
Y
N
OBL
N
N
OBL
lancifolia
L.
Accepted Name
BROADLEAF ARROWHEAD; COMMON ARROWHEAD; DUCK POTATO
Y
N
OBL
N
N
OBL
latifolia
Willd.
Accepted Name
GIANT ARROWHEAD
N
N
OBL
N
N
OBL
montevidensis
Cham. & Schltdl.
Accepted Name
DELTA ARROWHEAD
Y
N
OBL
N
N
OBL
platyphylla
(Engelm.)J.G.Sm.
Accepted Name
AWL-LEAF ARROWHEAD
Y
N
OBL
N
N
OBL
Due to the lack of variation among tested loci (ITS, matK, psbA, rbcL), it was recommended to include S. filiformis and S. kurziana as varieties of S. subulata (Ito et al. 2020).
subulata
(L.)Buchenau