Property:Sheath length

Types of sheath length

None.

Parts of sheath length

None.

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A
Achnatherum +
full  +
Achnatherum aridum +
full  +
Achnatherum arnowiae +
full  +
Achnatherum contractum +
full  +
Achnatherum coronatum +
full  +
Achnatherum curvifolium +
full  +
Achnatherum diegoense +
full  +
Achnatherum eminens +
full  +
Achnatherum hendersonii +
full  +
Achnatherum hymenoides +
full  +
Achnatherum latiglume +
full  +
Achnatherum lemmonii +
full  +
Achnatherum lemmonii subsp. lemmonii +
full  +
Achnatherum lemmonii subsp. pubescens +
full  +
Achnatherum lettermanii +
full  +
Achnatherum lobatum +
full  +
Achnatherum nelsonii +
full  +
Achnatherum nelsonii subsp. dorei +
full  +
Achnatherum nelsonii subsp. nelsonii +
full  +
Achnatherum nevadense +
full  +
Achnatherum occidentale +
full  +
Achnatherum occidentale subsp. californicum +
full  +
Achnatherum occidentale subsp. occidentale +
full  +
Achnatherum occidentale subsp. pubescens +
full  +
Achnatherum parishii +
full  +
Achnatherum parishii subsp. depauperatum +
full  +
Achnatherum parishii subsp. parishii +
full  +
Achnatherum perplexum +
full  +
Achnatherum pinetorum +
full  +
Achnatherum richardsonii +
full  +
Achnatherum robustum +
full  +
Achnatherum scribneri +
full  +
Achnatherum splendens +
full  +
Achnatherum stillmanii +
full  +
Achnatherum swallenii +
full  +
Achnatherum thurberianum +
full  +
Achnatherum wallowaense +
full  +
Achnatherum webberi +
full  +
Achnatherum ×bloomeri +
full  +
Aegilops +
full  +
Aegilops crassa +
full  +
Aegilops cylindrica +
full  +
Aegilops geniculata +
full  +
Aegilops neglecta +
full  +
Aegilops tauschii +
full  +
Aegilops triuncialis +
full  +
Aegilops ventricosa +
full  +
Agropyron +
full  +
Agropyron cristatum +
full  +
Agropyron fragile +
full  +
Agrostis +
open  +
Agrostis anadyrensis +
open  +
Agrostis blasdalei +
open  +
Agrostis canina +
open  +
Agrostis capillaris +
open  +
Agrostis castellana +
open  +
Agrostis clavata +
open  +
Agrostis densiflora +
open  +
Agrostis elliottiana +
open  +
Agrostis exarata +
open  +
Agrostis gigantea +
open  +
Agrostis hallii +
open  +
Agrostis hendersonii +
open  +
Agrostis hooveri +
open  +
Agrostis howellii +
open  +
Agrostis hyemalis +
open  +
Agrostis idahoensis +
open  +
Agrostis mertensii +
open  +
Agrostis microphylla +
open  +
Agrostis nebulosa +
open  +
Agrostis oregonensis +
open  +
Agrostis pallens +
open  +
Agrostis perennans +
open  +
Agrostis rossiae +
open  +
Agrostis scabra +
open  +
Agrostis stolonifera +
open  +
Agrostis tolucensis +
open  +
Agrostis variabilis +
open  +
Agrostis vinealis +
open  +
Aira +
glabrous  +
Aira caryophyllea +
glabrous  +
Aira caryophyllea var. capillaris +
glabrous  +
Aira caryophyllea var. caryophyllea +
glabrous  +
Aira caryophyllea var. cupaniana +
glabrous  +
Aira praecox +
glabrous  +
Alopecurus +
open  +
Alopecurus aequalis +
open  +
Alopecurus aequalis var. aequalis +
open  +
Alopecurus aequalis var. sonomensis +
open  +
Alopecurus arundinaceus +
open  +
Alopecurus carolinianus +
open  +
Alopecurus creticus +
open  +
Alopecurus geniculatus +
open  +
Alopecurus magellanicus +
open  +
Alopecurus myosuroides +
open  +
Alopecurus pratensis +
open  +
Alopecurus rendlei +
open  +
Alopecurus saccatus +
open  +
Amelichloa +
full  +
Amelichloa brachychaeta +
full  +
Amelichloa caudata +
full  +
Amelichloa clandestina +
full  +
Ammophila +
open  +
Ammophila arenaria +
open  +
Ammophila breviligulata +
open  +
Ammophila breviligulata subsp. breviligulata +
open  +
Ammophila breviligulata subsp. champlainensis +
open  +
Ampelodesmos +
full  +
Ampelodesmos mauritanicus +
full  +
Amphibromus +
open  +
Amphibromus neesii +
open  +
Amphibromus nervosus +
open  +
Amphibromus scabrivalvis +
open  +
Anthoxanthum +
open  +
Anthoxanthum arcticum +
open  +
Anthoxanthum aristatum +
open  +
Anthoxanthum hirtum +
open  +
Anthoxanthum monticola +
open  +
Anthoxanthum monticola subsp. alpinum +
open  +
Anthoxanthum monticola subsp. monticola +
open  +
Anthoxanthum nitens +
open  +
Anthoxanthum occidentale +
open  +
Anthoxanthum odoratum +
open  +
Apera +
open  +
Apera interrupta +
open  +
Apera spica-venti +
open  +
Arctagrostis +
closed  +
Arctagrostis latifolia +
closed  +
Arctagrostis latifolia subsp. arundinacea +
closed  +
Arctagrostis latifolia subsp. latifolia +
closed  +
Arctophila +
closed  +
Arctophila fulva +
closed  +
Armeria maritima subsp. californica +
0.75 times diam of flower head  +
Armeria maritima subsp. interior +
0.5-0.75 times diam of flower head  +
Armeria maritima subsp. maritima +
0.33-0.75 times diam of flower head  +
Armeria maritima subsp. sibirica +
0.5-0.75 times diam of flower head  +
Arrhenatherum +
open  +
Arrhenatherum elatius +
open  +
Austrostipa +
full  +
Austrostipa elegantissima +
full  +
Austrostipa ramosissima +
full  +
Avena +
open  +
Avena barbata +
open  +
Avena fatua +
open  +
Avena hybrida +
open  +
Avena occidentalis +
open  +
Avena sativa +
open  +
Avena sterilis +
open  +
Avenula +
closed  +
Avenula hookeri +
closed  +
Avenula pubescens +
entire  +
B
Beckmannia +
open  +
Beckmannia syzigachne +
open  +
Brachyelytrum +
full  +
Brachyelytrum aristosum +
full  +
Brachyelytrum erectum +
full  +
Brachypodium +
full  +
Brachypodium distachyon +
full  +
Brachypodium phoenicoides +
full  +
Brachypodium pinnatum +
full  +
Brachypodium rupestre +
full  +
Brachypodium sylvaticum +
full  +
Briza +
open  +
Briza maxima +
open  +
Briza media +
1/2  +
Briza minor +
open  +
Bromidium +
open  +
Bromidium tandilense +
open  +
Bromus +
full  +
Bromus aleutensis +
full  +
Bromus anomalus +
full  +
Bromus arenarius +
full  +
Bromus arizonicus +
full  +
Bromus arvensis +
full  +
Bromus berteroanus +
full  +
Bromus briziformis +
full  +
Bromus carinatus +
full  +
Bromus carinatus var. carinatus +
full  +
Bromus carinatus var. marginatus +
full  +
Bromus caroli-henrici +
full  +
Bromus catharticus +
full  +
Bromus catharticus var. catharticus +
full  +
Bromus catharticus var. elatus +
full  +
Bromus ciliatus +
full  +
Bromus commutatus +
full  +
Bromus danthoniae +
full  +
Bromus diandrus +
full  +
Bromus erectus +
full  +
Bromus frondosus +
full  +
Bromus grandis +
full  +
Bromus hallii +
full  +
Bromus hordeaceus +
full  +
Bromus hordeaceus subsp. hordeaceus +
full  +
Bromus hordeaceus subsp. molliformis +
full  +
Bromus hordeaceus subsp. pseudothominei +
full  +
Bromus hordeaceus subsp. thominei +
full  +
Bromus inermis +
full  +
Bromus japonicus +
full  +
Bromus kalmii +
full  +
Bromus laevipes +
full  +
Bromus lanatipes +
full  +
Bromus lanceolatus +
full  +
Bromus latiglumis +
full  +
Bromus lepidus +
full  +
Bromus madritensis +
full  +
Bromus maritimus +
full  +
Bromus mucroglumis +
full  +
Bromus nottowayanus +
full  +
Bromus orcuttianus +
full  +
Bromus pacificus +
full  +
Bromus polyanthus +
full  +
Bromus porteri +
full  +
Bromus pseudolaevipes +
full  +
Bromus pubescens +
full  +
Bromus pumpellianus +
full  +
Bromus pumpellianus subsp. dicksonii +
full  +
Bromus pumpellianus subsp. pumpellianus +
full  +
Bromus racemosus +
full  +
Bromus ramosus +
full  +
Bromus richardsonii +
full  +
Bromus riparius +
full  +
Bromus rubens +
full  +
Bromus scoparius +
full  +
Bromus secalinus +
full  +
Bromus sect. Bromopsis +
full  +
Bromus sect. Bromus +
full  +
Bromus sect. Ceratochloa +
full  +
Bromus sect. Genea +
full  +
Bromus sect. Neobromus +
full  +
Bromus sitchensis +
full  +
Bromus squarrosus +
full  +
Bromus sterilis +
full  +
Bromus suksdorfii +
full  +
Bromus tectorum +
full  +
Bromus texensis +
full  +
Bromus vulgaris +
full  +
C
Calamagrostis +
open  +
Calamagrostis bolanderi +
open  +
Calamagrostis breweri +
open  +
Calamagrostis cainii +
open  +
Calamagrostis canadensis +
open  +
Calamagrostis canadensis var. canadensis +
open  +
Calamagrostis canadensis var. langsdorffii +
open  +
Calamagrostis canadensis var. macouniana +
open  +
Calamagrostis cinnoides +
open  +
Calamagrostis deschampsioides +
open  +
Calamagrostis epigejos +
open  +
Calamagrostis foliosa +
open  +
Calamagrostis howellii +
open  +
Calamagrostis koelerioides +
open  +
Calamagrostis lapponica +
open  +
Calamagrostis montanensis +
open  +
Calamagrostis muiriana +
open  +
Calamagrostis nutkaensis +
open  +
Calamagrostis ophitidis +
open  +
Calamagrostis perplexa +
open  +
Calamagrostis pickeringii +
open  +
Calamagrostis porteri +
open  +
Calamagrostis porteri subsp. insperata +
open  +
Calamagrostis porteri subsp. porteri +
open  +
Calamagrostis purpurascens +
open  +
Calamagrostis rubescens +
open  +
Calamagrostis scopulorum +
open  +
Calamagrostis sesquiflora +
open  +
Calamagrostis stricta +
open  +
Calamagrostis stricta subsp. inexpansa +
open  +
Calamagrostis stricta subsp. stricta +
open  +
Calamagrostis tacomensis +
open  +
Calamagrostis tweedyi +
open  +
Calamagrostis ×acutiflora +
open  +
Carex cusickii +
prolonged  +
Carex decomposita +
not prolonged  +
Carex diandra +
prolonged  +
Carex prairea +
prolonged  +
Catabrosa +
open  +
Catabrosa aquatica +
open  +
Celtica +
full  +
Celtica gigantea +
full  +
Cinna +
open  +
Cinna arundinacea +
open  +
Cinna bolanderi +
open  +
Cinna latifolia +
open  +
Coleanthus +
open  +
Coleanthus subtilis +
open  +
Corynephorus +
open  +
Corynephorus canescens +
open  +
Cutandia +
open  +
Cutandia memphitica +
open  +
Cymophyllus +
elongated  +
Cymophyllus fraserianus +
elongated  +
Cynosurus +
open  +
Cynosurus cristatus +
open  +
Cynosurus echinatus +
open  +
D
Dactylis +
1/2  +
Dactylis glomerata +
1/2  +
Dasypyrum +
full  +
Dasypyrum villosum +
full  +
Deschampsia +
open  +
Deschampsia alpina +
open  +
Deschampsia brevifolia +
open  +
Deschampsia cespitosa +
open  +
Deschampsia cespitosa subsp. beringensis +
open  +
Deschampsia cespitosa subsp. cespitosa +
open  +
Deschampsia cespitosa subsp. holciformis +
open  +
Deschampsia danthonioides +
open  +
Deschampsia elongata +
open  +
Deschampsia flexuosa +
open  +
Deschampsia mackenzieana +
open  +
Deschampsia sukatschewii +
open  +
Desmazeria +
open  +
Desmazeria rigida +
open  +
Desmazeria sicula +
open  +
Diarrhena +
full  +
Diarrhena americana +
full  +
Diarrhena obovata +
full  +
Dissanthelium +
open  +
Dissanthelium californicum +
open  +
Dupontia +
closed  +
Dupontia fisheri +
closed  +
E
Elymus +
open  +
Elymus alaskanus +
open  +
Elymus alaskanus subsp. alaskanus +
open  +
Elymus alaskanus subsp. hyperarcticus +
open  +
Elymus albicans +
open  +
Elymus arizonicus +
open  +
Elymus bakeri +
open  +
Elymus canadensis +
open  +
Elymus canadensis var. brachystachys +
open  +
Elymus canadensis var. canadensis +
open  +
Elymus canadensis var. robustus +
open  +
Elymus caninus +
open  +
Elymus churchii +
open  +
Elymus ciliaris +
open  +
Elymus curvatus +
open  +
Elymus dahuricus +
open  +
Elymus diversiglumis +
open  +
Elymus elymoides +
open  +
Elymus elymoides subsp. brevifolius +
open  +
Elymus elymoides subsp. californicus +
open  +
Elymus elymoides subsp. elymoides +
open  +
Elymus elymoides subsp. hordeoides +
open  +
Elymus glabriflorus +
open  +
Elymus glaucus +
open  +
Elymus glaucus subsp. glaucus +
open  +
Elymus glaucus subsp. mackenziei +
open  +
Elymus glaucus subsp. virescens +
open  +
Elymus hirsutus +
open  +
Elymus hoffmannii +
open  +
Elymus hystrix +
open  +
Elymus interruptus +
open  +
Elymus lanceolatus +
open  +
Elymus lanceolatus subsp. lanceolatus +
open  +
Elymus lanceolatus subsp. psammophilus +
open  +
Elymus lanceolatus subsp. riparius +
open  +
Elymus macgregorii +
open  +
Elymus macrourus +
open  +
Elymus multisetus +
open  +
Elymus pringlei +
open  +
Elymus repens +
open  +
Elymus riparius +
open  +
Elymus scribneri +
open  +
Elymus semicostatus +
open  +
Elymus sibiricus +
open  +
Elymus sierrae +
open  +
Elymus stebbinsii +
open  +
Elymus stebbinsii subsp. septentrionalis +
open  +
Elymus stebbinsii subsp. stebbinsii +
open  +
Elymus svensonii +
open  +
Elymus texensis +
open  +
Elymus trachycaulus +
open  +
Elymus trachycaulus subsp. subsecundus +
open  +
Elymus trachycaulus subsp. trachycaulus +
open  +
Elymus trachycaulus subsp. virescens +
open  +
Elymus tsukushiensis +
open  +
Elymus villosus +
open  +
Elymus violaceus +
open  +
Elymus virginicus +
open  +
Elymus virginicus var. halophilus +
open  +
Elymus virginicus var. intermedius +
open  +
Elymus virginicus var. jejunus +
open  +
Elymus virginicus var. virginicus +
open  +
Elymus wawawaiensis +
open  +
Elymus wiegandii +
open  +
Elymus ×cayouetteorum +
open  +
Elymus ×ebingeri +
open  +
Elymus ×hansenii +
open  +
Elymus ×palmerensis +
open  +
Elymus ×pinalenoensis +
open  +
Elymus ×pseudorepens +
open  +
Elymus ×saundersii +
open  +
Elymus ×yukonensis +
open  +
Equisetum arvense +
2mm;5mm  +
Equisetum fluviatile +
4mm;10mm  +
Equisetum hyemale subsp. affine +
4.5mm;17mm  +
Equisetum laevigatum +
7mm;15mm  +
Equisetum palustre +
4mm;9mm  +
Equisetum pratense +
3mm;5mm  +
Equisetum ramosissimum subsp. ramosissimum +
8mm;12mm  +
Equisetum scirpoides +
1mm;2.5mm  +
Equisetum sylvaticum +
3mm;6mm  +
Equisetum telmateia subsp. braunii +
7mm;18mm  +
Equisetum variegatum +
1mm;6mm  +
Equisetum variegatum subsp. alaskanum +
1mm;6mm  +
Equisetum variegatum subsp. variegatum +
1mm;6mm  +
Equisetum ×ferrissii +
7mm;17mm  +
Equisetum ×litorale +
3.5mm;8mm  +
Equisetum ×mackaii +
3.5mm;8mm  +
Equisetum ×nelsonii +
3.5mm;7.5mm  +
Eremocrinum albomarginatum +
5cm;8cm  +
Eremopoa +
open  +
Eremopoa altaica +
open  +
Eremopyrum +
open  +
Eremopyrum bonaepartis +
open  +
Eremopyrum orientale +
open  +
Eremopyrum triticeum +
open  +
Eriophorum angustifolium +
longest  +
Eriophorum angustifolium subsp. angustifolium +
longest  +
Eriophorum angustifolium subsp. triste +
longest  +
F
Festuca +
open  +
Festuca altaica +
closed  +
Festuca amethystina +
closed  +
Festuca arizonica +
closed  +
Festuca auriculata +
closed  +
Festuca baffinensis +
closed  +
Festuca brachyphylla +
closed  +
Festuca brachyphylla subsp. brachyphylla +
closed  +
Festuca brachyphylla subsp. breviculmis +
closed  +
Festuca brachyphylla subsp. coloradensis +
closed  +
Festuca brevissima +
closed  +
Festuca californica +
closed  +
Festuca californica subsp. californica +
closed  +
Festuca californica subsp. hitchcockiana +
closed  +
Festuca californica subsp. parishii +
closed  +
Festuca calligera +
closed  +
Festuca campestris +
closed  +
Festuca dasyclada +
open  +
Festuca earlei +
closed  +
Festuca edlundiae +
closed  +
Festuca elmeri +
open  +
Festuca filiformis +
closed  +
Festuca frederikseniae +
closed  +
Festuca glauca +
closed  +
Festuca groenlandica +
closed  +
Festuca hallii +
closed  +
Festuca heterophylla +
closed  +
Festuca hyperborea +
closed  +
Festuca idahoensis +
closed  +
Festuca lenensis +
closed  +
Festuca ligulata +
closed  +
Festuca minutiflora +
closed  +
Festuca occidentalis +
open  +
Festuca ovina +
closed  +
Festuca paradoxa +
closed  +
Festuca prolifera +
closed  +
Festuca pseudovivipara +
closed  +
Festuca roemeri +
closed  +
Festuca rubra +
closed  +
Festuca rubra subsp. arctica +
closed  +
Festuca rubra subsp. arenaria +
closed  +
Festuca rubra subsp. aucta +
closed  +
Festuca rubra subsp. commutata +
closed  +
Festuca rubra subsp. fallax +
closed  +
Festuca rubra subsp. mediana +
closed  +
Festuca rubra subsp. pruinosa +
closed  +
Festuca rubra subsp. rubra +
closed  +
Festuca rubra subsp. secunda +
closed  +
Festuca rubra subsp. vallicola +
closed  +
Festuca saximontana +
closed  +
Festuca saximontana var. purpusiana +
closed  +
Festuca saximontana var. robertsiana +
closed  +
Festuca saximontana var. saximontana +
closed  +
Festuca sect. Breviaristatae +
open  +
Festuca sect. Elmera +
open  +
Festuca sect. Festuca +
open  +
Festuca sect. Subulatae +
open  +
Festuca sect. Subuliflorae +
open  +
Festuca sect. Texanae +
open  +
Festuca sororia +
open  +
Festuca subg. Festuca +
open  +
Festuca subg. Montanae +
open  +
Festuca subg. Obtusae +
open  +
Festuca subg. Subulatae +
open  +
Festuca subulata +
closed  +
Festuca subuliflora +
open  +
Festuca subverticillata +
open  +
Festuca thurberi +
closed  +
Festuca trachyphylla +
closed  +
Festuca valesiaca +
closed  +
Festuca versuta +
open  +
Festuca viridula +
closed  +
Festuca viviparoidea +
closed  +
Festuca viviparoidea subsp. krajinae +
closed  +
Festuca viviparoidea subsp. viviparoidea +
closed  +
Festuca washingtonica +
open  +
G
Gastridium +
open  +
Gastridium phleoides +
open  +
Gaudinia +
open  +
Gaudinia fragilis +
open  +
Glyceria +
3/4  +
Glyceria acutiflora +
3/4  +
Glyceria alnasteretum +
3/4  +
Glyceria borealis +
3/4  +
Glyceria canadensis +
3/4  +
Glyceria canadensis var. canadensis +
3/4  +
Glyceria canadensis var. laxa +
3/4  +
Glyceria declinata +
3/4  +
Glyceria elata +
3/4  +
Glyceria fluitans +
3/4  +
Glyceria grandis +
3/4  +
Glyceria grandis var. grandis +
3/4  +
Glyceria grandis var. komarovii +
3/4  +
Glyceria leptostachya +
3/4  +
Glyceria maxima +
3/4  +
Glyceria melicaria +
3/4  +
Glyceria notata +
3/4  +
Glyceria nubigena +
3/4  +
Glyceria obtusa +
3/4  +
Glyceria pulchella +
3/4  +
Glyceria sect. Glyceria +
3/4  +
Glyceria sect. Hydropoa +
3/4  +
Glyceria sect. Striatae +
3/4  +
Glyceria septentrionalis +
3/4  +
Glyceria septentrionalis var. arkansana +
3/4  +
Glyceria septentrionalis var. septentrionalis +
3/4  +
Glyceria striata +
3/4  +
Glyceria ×occidentalis +
3/4  +
H
Hainardia +
open  +
Hainardia cylindrica +
open  +
Halodule wrightii +
1.5cm;6cm  +
Helictotrichon +
open  +
Helictotrichon mortonianum +
open  +
Helictotrichon sempervirens +
open  +
Hesperostipa +
full  +
Hesperostipa comata +
full  +
Hesperostipa comata subsp. comata +
full  +
Hesperostipa comata subsp. intermedia +
full  +
Hesperostipa curtiseta +
full  +
Hesperostipa neomexicana +
full  +
Hesperostipa spartea +
full  +
Holcus +
open  +
Holcus lanatus +
open  +
Holcus mollis +
open  +
Hordeum +
full  +
Hordeum arizonicum +
full  +
Hordeum brachyantherum +
full  +
Hordeum brachyantherum subsp. brachyantherum +
full  +
Hordeum brachyantherum subsp. californicum +
full  +
Hordeum bulbosum +
full  +
Hordeum depressum +
full  +
Hordeum intercedens +
full  +
Hordeum jubatum +
full  +
Hordeum jubatum subsp. intermedium +
full  +
Hordeum jubatum subsp. jubatum +
full  +
Hordeum marinum +
full  +
Hordeum marinum subsp. gussoneanum +
full  +
Hordeum marinum subsp. marinum +
full  +
Hordeum murinum +
full  +
Hordeum murinum subsp. glaucum +
full  +
Hordeum murinum subsp. leporinum +
full  +
Hordeum murinum subsp. murinum +
full  +
Hordeum pusillum +
full  +
Hordeum secalinum +
full  +
Hordeum vulgare +
full  +
J
Jarava +
full  +
Jarava ichu +
full  +
Jarava plumosa +
full  +
Jarava speciosa +
full  +
K
Koeleria +
open  +
Koeleria asiatica +
open  +
Koeleria macrantha +
open  +
Koeleria pyramidata +
open  +
L
Lachnagrostis +
open  +
Lachnagrostis filiformis +
open  +
Lagurus +
open  +
Lagurus ovatus +
open  +
Lamarckia +
1/3  +
Lamarckia aurea +
1/3  +
Leucocrinum montanum +
3cm;8cm  +
Leucopoa +
open  +
Leucopoa kingii +
open  +
Leymus +
full  +
Leymus ambiguus +
full  +
Leymus angustus +
full  +
Leymus arenarius +
full  +
Leymus californicus +
full  +
Leymus cinereus +
full  +
Leymus condensatus +
full  +
Leymus flavescens +
full  +
Leymus innovatus +
full  +
Leymus innovatus subsp. innovatus +
full  +
Leymus innovatus subsp. velutinus +
full  +
Leymus mollis +
full  +
Leymus mollis subsp. mollis +
full  +
Leymus mollis subsp. villosissimus +
full  +
Leymus multicaulis +
full  +
Leymus pacificus +
full  +
Leymus racemosus +
full  +
Leymus salina +
full  +
Leymus salina subsp. mojavensis +
full  +
Leymus salina subsp. salina +
full  +
Leymus salina subsp. salmonis +
full  +
Leymus simplex +
full  +
Leymus simplex var. luxurians +
full  +
Leymus simplex var. simplex +
full  +
Leymus triticoides +
full  +
Leymus ×multiflorus +
full  +
Leymus ×vancouverensis +
full  +
Limnodea +
open  +
Limnodea arkansana +
open  +
Lolium +
open  +
Lolium multiflorum +
open  +
Lolium perenne +
open  +
Lolium persicum +
open  +
Lolium rigidum +
open  +
Lolium temulentum +
open  +
Lolium temulentum subsp. remotum +
open  +
Lolium temulentum subsp. temulentum +
open  +
M
Macrochloa +
full  +
Macrochloa tenacissima +
full  +
Melica +
closed  +
Melica altissima +
closed  +
Melica aristata +
closed  +
Melica bulbosa +
closed  +
Melica californica +
closed  +
Melica ciliata +
closed  +
Melica frutescens +
closed  +
Melica fugax +
closed  +
Melica geyeri +
closed  +
Melica geyeri var. aristulata +
closed  +
Melica geyeri var. geyeri +
closed  +
Melica harfordii +
closed  +
Melica imperfecta +
closed  +
Melica montezumae +
closed  +
Melica mutica +
closed  +
Melica nitens +
closed  +
Melica porteri +
closed  +
Melica porteri var. laxa +
closed  +
Melica porteri var. porteri +
closed  +
Melica smithii +
closed  +
Melica spectabilis +
closed  +
Melica stricta +
closed  +
Melica stricta var. albicaulis +
closed  +
Melica stricta var. stricta +
closed  +
Melica subulata +
closed  +
Melica torreyana +
closed  +
Mibora +
open  +
Mibora minima +
open  +
Milium +
open  +
Milium effusum +
open  +
Milium vernale +
open  +
Muhlenbergia schreberi +
glabrous  +
Muhlenbergia sylvatica +
smooth  +
N
Nardus +
full  +
Nardus stricta +
full  +
Nassella +
full  +
Nassella cernua +
full  +
Nassella chilensis +
full  +
Nassella lepida +
full  +
Nassella leucotricha +
full  +
Nassella manicata +
full  +
Nassella neesiana +
full  +
Nassella pulchra +
full  +
Nassella tenuissima +
full  +
Nassella trichotoma +
full  +
Nassella viridula +
full  +
O
Oryzopsis +
full  +
Oryzopsis asperifolia +
full  +
P
Parapholis +
open  +
Parapholis incurva +
open  +
Parapholis strigosa +
open  +
Pascopyrum +
full  +
Pascopyrum smithii +
full  +
Phalaris +
open  +
Phalaris angusta +
open  +
Phalaris aquatica +
open  +
Phalaris arundinacea +
open  +
Phalaris brachystachys +
open  +
Phalaris californica +
open  +
Phalaris canariensis +
open  +
Phalaris caroliniana +
open  +
Phalaris coerulescens +
open  +
Phalaris lemmonii +
open  +
Phalaris minor +
open  +
Phalaris paradoxa +
open  +
Phippsia +
1/2  +
Phippsia algida +
1/2  +
Phippsia concinna +
1/2  +
Phleum +
open  +
Phleum alpinum +
open  +
Phleum arenarium +
open  +
Phleum paniculatum +
open  +
Phleum phleoides +
open  +
Phleum pratense +
open  +
Phleum subulatum +
open  +
Piptatherum +
full  +
Piptatherum canadense +
full  +
Piptatherum exiguum +
full  +
Piptatherum micranthum +
full  +
Piptatherum miliaceum +
full  +
Piptatherum miliaceum subsp. miliaceum +
full  +
Piptatherum miliaceum subsp. thomasii +
full  +
Piptatherum pungens +
full  +
Piptatherum racemosum +
full  +
Piptatherum shoshoneanum +
full  +
Piptochaetium +
full  +
Piptochaetium avenaceum +
full  +
Piptochaetium avenacioides +
full  +
Piptochaetium fimbriatum +
full  +
Piptochaetium pringlei +
full  +
Piptochaetium setosum +
full  +
Piptochaetium stipoides +
full  +
Pleuropogon +
closed  +
Pleuropogon californicus +
closed  +
Pleuropogon californicus var. californicus +
closed  +
Pleuropogon californicus var. davyi +
closed  +
Pleuropogon hooverianus +
closed  +
Pleuropogon oregonus +
closed  +
Pleuropogon refractus +
closed  +
Pleuropogon sabinei +
closed  +
Poa +
open  +
Poa abbreviata +
closed  +
Poa abbreviata subsp. abbreviata +
closed  +
Poa abbreviata subsp. marshii +
closed  +
Poa abbreviata subsp. pattersonii +
closed  +
Poa alpina +
closed  +
Poa alpina subsp. alpina +
closed  +
Poa alpina subsp. vivipara +
closed  +
Poa alsodes +
closed  +
Poa ammophila +
closed  +
Poa annua +
closed  +
Poa arachnifera +
closed  +
Poa arctica +
closed  +
Poa arctica subsp. aperta +
closed  +
Poa arctica subsp. arctica +
closed  +
Poa arctica subsp. caespitans +
closed  +
Poa arctica subsp. grayana +
closed  +
Poa arctica subsp. lanata +
closed  +
Poa arida +
closed  +
Poa arnowiae +
closed  +
Poa atropurpurea +
closed  +
Poa autumnalis +
closed  +
Poa bigelovii +
closed  +
Poa bolanderi +
closed  +
Poa bulbosa +
closed  +
Poa bulbosa subsp. bulbosa +
closed  +
Poa bulbosa subsp. vivipara +
closed  +
Poa chaixii +
closed  +
Poa chambersii +
closed  +
Poa chapmaniana +
closed  +
Poa compressa +
closed  +
Poa confinis +
closed  +
Poa curtifolia +
closed  +
Poa cusickii +
closed  +
Poa cusickii subsp. cusickii +
closed  +
Poa cusickii subsp. epilis +
closed  +
Poa cusickii subsp. pallida +
closed  +
Poa cusickii subsp. purpurascens +
closed  +
Poa cuspidata +
closed  +
Poa diaboli +
closed  +
Poa douglasii +
closed  +
Poa eminens +
closed  +
Poa fendleriana +
closed  +
Poa fendleriana subsp. albescens +
closed  +
Poa fendleriana subsp. fendleriana +
closed  +
Poa fendleriana subsp. longiligula +
closed  +
Poa glauca +
closed  +
Poa glauca subsp. glauca +
closed  +
Poa glauca subsp. rupicola +
closed  +
Poa glauca var. pekulnejensis +
closed  +
Poa hartzii +
closed  +
Poa hartzii subsp. alaskana +
closed  +
Poa hartzii subsp. hartzii +
closed  +
Poa hartzii subsp. vrangelica +
closed  +
Poa howellii +
closed  +
Poa infirma +
closed  +
Poa interior +
closed  +
Poa keckii +
closed  +
Poa kelloggii +
closed  +
Poa laxa +
closed  +
Poa laxa subsp. banffiana +
closed  +
Poa laxa subsp. fernaldiana +
closed  +
Poa laxiflora +
closed  +
Poa leibergii +
closed  +
Poa leptocoma +
closed  +
Poa lettermanii +
closed  +
Poa macrantha +
closed  +
Poa macrocalyx +
closed  +
Poa marcida +
9/10  +
Poa napensis +
closed  +
Poa nemoralis +
closed  +
Poa nervosa +
closed  +
Poa occidentalis +
closed  +
Poa paludigena +
closed  +
Poa palustris +
closed  +
Poa paucispicula +
closed  +
Poa piperi +
closed  +
Poa porsildii +
closed  +
Poa pratensis +
closed  +
Poa pratensis subsp. agassizensis +
closed  +
Poa pratensis subsp. alpigena +
closed  +
Poa pratensis subsp. angustifolia +
closed  +
Poa pratensis subsp. colpodea +
closed  +
Poa pratensis subsp. irrigata +
closed  +
Poa pratensis subsp. pratensis +
closed  +
Poa pringlei +
closed  +
Poa pseudoabbreviata +
closed  +
Poa reflexa +
closed  +
Poa rhizomata +
closed  +
Poa saltuensis +
closed  +
Poa saltuensis subsp. languida +
closed  +
Poa saltuensis subsp. saltuensis +
closed  +
Poa sect. Abbreviatae +
closed  +
Poa sect. Alpinae +
closed  +
Poa sect. Arctopoa +
closed  +
Poa sect. Arenariae +
closed  +
Poa sect. Dioicopoa +
closed  +
Poa sect. Homalopoa +
1/10  +, 1/20  +
Poa sect. Madropoa +
closed  +
Poa sect. Micrantherae +
closed  +
Poa sect. Oreinos +
closed  +
Poa sect. Pandemos +
closed  +
Poa sect. Poa +
closed  +
Poa sect. Secundae +
closed  +
Poa sect. Stenopoa +
closed  +
Poa sect. Sylvestres +
closed  +
Poa sect. Tichopoa +
closed  +
Poa secunda +
closed  +
Poa secunda subsp. juncifolia +
closed  +
Poa secunda subsp. secunda +
closed  +
Poa sierrae +
closed  +
Poa stebbinsii +
closed  +
Poa stenantha +
closed  +
Poa stenantha var. stenantha +
closed  +
Poa stenantha var. vivipara +
closed  +
Poa strictiramea +
closed  +
Poa subg. Arctopoa +
closed  +
Poa subg. Poa +
open  +
Poa sublanata +
closed  +
Poa subsect. Epiles +
closed  +
Poa subsect. Halophytae +
closed  +
Poa subsect. Madropoa +
closed  +
Poa subsect. Poa +
open  +
Poa subsect. Secundae +
closed  +
Poa suksdorfii +
closed  +
Poa supina +
closed  +
Poa sylvestris +
closed  +
Poa tenerrima +
closed  +
Poa tracyi +
closed  +
Poa trivialis +
closed  +
Poa unilateralis +
closed  +
Poa unilateralis subsp. pachypholis +
closed  +
Poa unilateralis subsp. unilateralis +
closed  +
Poa wheeleri +
closed  +, their  +
Poa wolfii +
closed  +
Poa ×gaspensis +
closed  +
Poa ×limosa +
closed  +
Poa ×nematophylla +
closed  +
Poaceae subfam. Pooideae +
full  +
Poaceae tribe Brachyelytreae +
full  +
Poaceae tribe Brachypodieae +
full  +
Poaceae tribe Bromeae +
full  +
Poaceae tribe Diarrheneae +
full  +
Poaceae tribe Meliceae +
closed  +
Poaceae tribe Nardeae +
full  +
Poaceae tribe Poeae +
open  +
Poaceae tribe Stipeae +
full  +
Poaceae tribe Triticeae +
full  +
Podagrostis +
open  +
Podagrostis aequivalvis +
open  +
Podagrostis humilis +
open  +
Polypogon +
open  +
Polypogon australis +
open  +
Polypogon elongatus +
open  +
Polypogon fugax +
open  +
Polypogon imberbis +
open  +
Polypogon interruptus +
open  +
Polypogon maritimus +
open  +
Polypogon monspeliensis +
open  +
Polypogon viridis +
open  +
Psathyrostachys +
full  +
Psathyrostachys juncea +
full  +
Pseudoroegneria +
full  +
Pseudoroegneria spicata +
full  +
Ptilagrostis +
scabrous  +
Ptilagrostis kingii +
scabrous  +
Ptilagrostis porteri +
scabrous  +
Puccinellia +
open  +
Puccinellia andersonii +
open  +
Puccinellia angustata +
open  +
Puccinellia arctica +
open  +
Puccinellia bruggemannii +
open  +
Puccinellia distans +
open  +
Puccinellia fasciculata +
open  +
Puccinellia groenlandica +
open  +
Puccinellia howellii +
open  +
Puccinellia lemmonii +
open  +
Puccinellia maritima +
open  +
Puccinellia nutkaensis +
open  +
Puccinellia nuttalliana +
open  +
Puccinellia parishii +
open  +
Puccinellia phryganodes +
open  +
Puccinellia pumila +
open  +
Puccinellia rupestris +
open  +
Puccinellia simplex +
open  +
Puccinellia tenella +
open  +
Puccinellia vaginata +
open  +
Puccinellia vahliana +
open  +
Puccinellia wrightii +
open  +
R
Rostraria +
open  +
Rostraria cristata +
open  +
S
Schedonorus +
open  +
Schedonorus arundinaceus +
open  +
Schedonorus giganteus +
open  +
Schedonorus pratensis +
open  +
Schizachne +
closed  +
Schizachne purpurascens +
closed  +
Sclerochloa +
open  +
Sclerochloa dura +
1/2  +
Scolochloa +
open  +
Scolochloa festucacea +
open  +
Scribneria +
open  +
Scribneria bolanderi +
open  +
Secale +
full  +
Secale cereale +
full  +
Secale strictum +
full  +
Sesleria +
open  +
Sesleria autumnalis +
open  +
Sesleria caerulea +
open  +
Sesleria heufleriana +
open  +
Sesleria nitida +
open  +
Sphenopholis +
open  +
Sphenopholis filiformis +
open  +
Sphenopholis intermedia +
open  +
Sphenopholis longiflora +
open  +
Sphenopholis nitida +
open  +
Sphenopholis obtusata +
open  +
Sphenopholis pensylvanica +
open  +
Stipa +
full  +
Stipa capensis +
full  +
Stipa pulcherrima +
full  +
Syringodium filiforme +
5mm;9mm  +
T
Taeniatherum +
full  +
Taeniatherum caput-medusae +
full  +
Thinopyrum +
full  +
Thinopyrum intermedium +
full  +
Thinopyrum intermedium subsp. barbulatum +
full  +
Thinopyrum intermedium subsp. intermedium +
full  +
Thinopyrum junceum +
full  +
Thinopyrum ponticum +
full  +
Thinopyrum pycnanthum +
full  +
Torreyochloa +
open  +
Torreyochloa erecta +
open  +
Torreyochloa pallida +
open  +
Torreyochloa pallida var. fernaldii +
open  +
Torreyochloa pallida var. pallida +
open  +
Torreyochloa pallida var. pauciflora +
open  +
Triglochin gaspensis +
12.5mm;21mm  +
Triglochin maritima +
0.7cm;2.5cm  +
Triglochin palustris +
3.5cm;5cm  +
Triglochin striata +
1.1cm;7.5cm  +
Trisetum +
open  +
Trisetum aureum +
open  +
Trisetum canescens +
open  +
Trisetum cernuum +
open  +
Trisetum flavescens +
open  +
Trisetum interruptum +
open  +
Trisetum melicoides +
open  +
Trisetum orthochaetum +
open  +
Trisetum sibiricum +
open  +
Trisetum spicatum +
open  +
Trisetum wolfii +
open  +
Triticum +
full  +
Triticum aestivum +
full  +
Triticum boeoticum +
full  +
Triticum carthlicum +
full  +
Triticum dicoccoides +
full  +
Triticum dicoccum +
full  +
Triticum durum +
full  +
Triticum monococcum +
full  +
Triticum polonicum +
full  +
Triticum spelta +
full  +
Triticum timopheevii +
full  +
Triticum turgidum +
full  +
Triticum urartu +
full  +
Tropidia polystachya +
31cm;55cm  +
V
Vahlodea +
open  +
Vahlodea atropurpurea +
open  +
Ventenata +
open  +
Ventenata dubia +
open  +
Vulpia +
open  +
Vulpia bromoides +
open  +
Vulpia ciliata +
open  +
Vulpia microstachys +
open  +
Vulpia microstachys var. ciliata +
open  +
Vulpia microstachys var. confusa +
open  +
Vulpia microstachys var. microstachys +
open  +
Vulpia microstachys var. pauciflora +
open  +
Vulpia myuros +
open  +
Vulpia octoflora +
open  +
Vulpia octoflora var. glauca +
open  +
Vulpia octoflora var. hirtella +
open  +
Vulpia octoflora var. octoflora +
open  +
Vulpia sciurea +
open  +
Z
Zostera japonica +
2cm;4cm  +
Zostera marina +
4cm;8cm  +
×
×achnella +
full  +
×achnella caduca +
full  +
×agropogon +
open  +
×agropogon lutosus +
open  +
×arctodupontia +
closed  +
×arctodupontia scleroclada +
closed  +
×dupoa +
closed  +
×dupoa labradorica +
closed  +
×elyhordeum +
full  +
×elyhordeum arcuatum +
full  +
×elyhordeum californicum +
full  +
×elyhordeum dakotense +
full  +
×elyhordeum iowense +
full  +
×elyhordeum jordalii +
full  +
×elyhordeum macounii +
full  +
×elyhordeum montanense +
full  +
×elyhordeum pilosilemma +
full  +
×elyhordeum schaackianum +
full  +
×elyhordeum stebbinsianum +
full  +
×elyleymus +
full  +
×elyleymus aleuticus +
full  +
×elyleymus aristatus +
full  +
×elyleymus colvillensis +
full  +
×elyleymus hirtiflorus +
full  +
×elyleymus hultenii +
full  +
×elyleymus jamesensis +
full  +
×elyleymus mossii +
full  +
×elyleymus ontariensis +
full  +
×elyleymus turneri +
full  +
×elyleymus uclueletensis +
full  +
×elyleymus ungavensis +
full  +
×leydeum +
full  +
×leydeum dutillyanum +
full  +
×leydeum littorale +
full  +
×leydeum piperi +
full  +
×pascoleymus +
full  +
×pascoleymus bowdenii +
full  +
×pseudelymus +
full  +
×pseudelymus saxicoia +
full  +
×pucciphippsia +
closed  +
×pucciphippsia vacillans +
closed  +
×triticosecale +
full  +