| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| PAMIR | Panicum miliaceum L. ssp. ruderale (Kitagawa) Tzvelev | broomcorn millet | Poaceae
|
| PAMI2 | Panicum miliaceum L. | broomcorn millet | Poaceae
|
| PAMI21 | Panicum miliare Lam. | Panicum sumatrense | Poaceae
|
| PAMI7 | Panicum minutulum Desv. | Dichanthelium wrightianum | Poaceae
|
| PAMO17 | Panicum mohavense J. Reeder | Mojave panicgrass | Poaceae
|
| PAMO | Panicum molokaiense O. Deg. & Whitney | Panicum tenuifolium | Poaceae
|
| PAMO10 | Panicum moomomiense St. John | Panicum fauriei var. fauriei | Poaceae
|
| PAMU7 | Panicum mundum Fern. | Dichanthelium ovale var. addisonii | Poaceae
|
| PAMU10 | Panicum mutabile Scribn. & J.G. Sm. | Dichanthelium commutatum | Poaceae
|
| PAMU13 | Panicum muticum Forsk. | Urochloa mutica | Poaceae
|
| PANA | Panicum napaliense Davidse | Napali panicgrass | Poaceae
|
| PANAP | Panicum nashianum Scribn. var. patulum Scribn. & Merr. | Dichanthelium sabulorum var. patulum | Poaceae
|
| PANA2 | Panicum nashianum Scribn. | Dichanthelium sabulorum var. patulum | Poaceae
|
| PANE8 | Panicum nemopanthum Ashe | Dichanthelium aciculare | Poaceae
|
| PANE4 | Panicum nemorosum Sw. | Ichnanthus nemorosus | Poaceae
|
| PANER | Panicum nephelophilum Gaud. var. rhyacophilum Hbd. | Panicum tenuifolium | Poaceae
|
| PANET | Panicum nephelophilum Gaud. var. tenuifolium (Hook. & Arn.) Hbd. | Panicum tenuifolium | Poaceae
|
| PANE | Panicum nephelophilum Gaud. | konakona | Poaceae
|
| PANE6 | Panicum neuranthum Griseb. | Dichanthelium aciculare | Poaceae
|
| PANI | Panicum niihauense St. John | Niihau panicgrass | Poaceae
|
| PANID | Panicum nitidum Lam. var. densiflorum Rand & Redf. | Dichanthelium spretum | Poaceae
|
| PANIO | Panicum nitidum Lam. var. octonodum (Sm.) Scribn. & Merr. | Dichanthelium spretum | Poaceae
|
| PANIV | Panicum nitidum Lam. var. villosum Gray | Dichanthelium villosissimum var. villosissimum | Poaceae
|
| PANI4 | Panicum nitidum Lam. | Dichanthelium dichotomum var. dichotomum | Poaceae
|
| PANO3 | Panicum nodatum A.S. Hitchc. & Chase | Dichanthelium nodatum | Poaceae
|
| PANUL | Panicum nubigenum Kunth var. latius St. John | Panicum fauriei var. latius | Poaceae
|
| PANU | Panicum nubigenum Kunth | Panicum torridum | Poaceae
|
| PANU7 | Panicum nudicaule Vasey | Dichanthelium dichotomum var. dichotomum | Poaceae
|
| PAOB | Panicum obtusum Kunth | vine mesquite | Poaceae
|
| PAOC | Panicum occidentale Scribn. | Dichanthelium acuminatum var. fasciculatum | Poaceae
|
| PAOC2 | Panicum octonodum Sm. | Dichanthelium spretum | Poaceae
|
| PAOLH | Panicum oligosanthes J.A. Schultes var. helleri (Nash) Fern. | Dichanthelium oligosanthes var. scribnerianum | Poaceae
|
| PAOLS | Panicum oligosanthes J.A. Schultes var. scribnerianum (Nash) Fern. | Dichanthelium oligosanthes var. scribnerianum | Poaceae
|
| PAOL2 | Panicum oligosanthes J.A. Schultes | Dichanthelium oligosanthes var. oligosanthes | Poaceae
|
| PAON | Panicum onslowense Ashe | Dichanthelium sabulorum var. patulum | Poaceae
|
| PAORS | Panicum oreoboloides (Whitney) Skottsberg var. subimbricatum Skottsberg | Dichanthelium koolauense | Poaceae
|
| PAOR8 | Panicum oreoboloides (Whitney) Skottsberg | Dichanthelium koolauense | Poaceae
|
| PAOR6 | Panicum oricola A.S. Hitchc. & Chase | Dichanthelium sabulorum var. thinium | Poaceae
|
| PAOR7 | Panicum orthophyllum Ashe | Dichanthelium aciculare | Poaceae
|
| PAOVA | Panicum ovale Ell. var. addisonii (Nash) C.F. Reed | Dichanthelium ovale var. addisonii | Poaceae
|
| PAOVP | Panicum ovale Ell. var. pseudopubescens (Nash) Lelong | Dichanthelium villosissimum var. villosissimum | Poaceae
|
| PAOVV | Panicum ovale Ell. var. villosum (Gray) Lelong | Dichanthelium villosissimum var. villosissimum | Poaceae
|
| PAOV4 | Panicum ovale Ell. | Dichanthelium ovale var. ovale | Poaceae
|
| PAOV3 | Panicum ovinum Scribn. & J.G. Sm. | Dichanthelium aciculare | Poaceae
|
| PAOW | Panicum owenae Bickn. | Dichanthelium ovale var. addisonii | Poaceae
|
| PAPA | Panicum pacificum A.S. Hitchc. & Chase | Dichanthelium acuminatum var. fasciculatum | Poaceae
|
| PAPAM3 | Panicum pallens Sw. var. majus Nees | Ichnanthus pallens var. majus | Poaceae
|
| PAPA29 | Panicum pallens Sw. | Ichnanthus pallens var. pallens | Poaceae
|
| PAPA18 | Panicum palmifolium Koenig | Setaria palmifolia | Poaceae
|
| PAPA30 | Panicum paludivagum A.S. Hitchc. & Chase | Paspalidium geminatum var. paludivagum | Poaceae
|
| PAPA35 | Panicum paludosum Roxb. | Chesapeake panicgrass | Poaceae
|
| PAPA3 | Panicum pampinosum A.S. Hitchc. & Chase | Panicum hirticaule var. hirticaule | Poaceae
|
| PAPA40 | Panicum paniculatum Kuntze | panicum | Poaceae
|
| PAPA4 | Panicum parvifolium Lam. | smallflower panicgrass | Poaceae
|
| PAPA5 | Panicum patentifolium Nash | Dichanthelium sabulorum var. patulum | Poaceae
|
| PAPA26 | Panicum patulum (Scribn. & Merr.) A.S. Hitchc. | Dichanthelium sabulorum var. patulum | Poaceae
|
| PAPA23 | Panicum paucipilum Nash | Dichanthelium spretum | Poaceae
|
| PAPE7 | Panicum pedicellatum Vasey | Dichanthelium pedicellatum | Poaceae
|
| PAPE2 | Panicum pellitoides F. Br. & St. John | Panicum pellitum | Poaceae
|
| PAPE3 | Panicum pellitum Trin. | Maui panicgrass | Poaceae
|
| PAPE10 | Panicum perlongum Nash | Dichanthelium linearifolium | Poaceae
|
| PAPHT | Panicum philadelphicum Bernh. ex Trin. var. tuckermanii (Fern.) Steyermark & Schmoll | Panicum philadelphicum | Poaceae
|
| PAPH | Panicum philadelphicum Bernh. ex Trin. | Philadelphia panicgrass | Poaceae
|
| PAPI | Panicum pilcomayense Hack. | Panicum bergii | Poaceae
|
| PAPI5 | Panicum pinetorum Swallen | Dichanthelium aciculare | Poaceae
|
| PAPL5 | Panicum plantagineum Link | Urochloa plantaginea | Poaceae
|
| PAPL | Panicum plenum A.S. Hitchc. & Chase | Panicum bulbosum | Poaceae
|
| PAPO4 | Panicum polyanthes J.A. Schultes | Dichanthelium sphaerocarpon var. isophyllum | Poaceae
|
| PAPO8 | Panicum polycaulon Nash | Dichanthelium strigosum var. glabrescens | Poaceae
|
| PAPON | Panicum portoricense Desv. ex Hamilton var. nashianum (Scribn.) Lelong | Dichanthelium sabulorum var. patulum | Poaceae
|
| PAPO7 | Panicum portoricense Desv. ex Hamilton | Dichanthelium sabulorum var. thinium | Poaceae
|
| PAPR12 | Panicum pradanum L�on ex A.S. Hitchc. | Setaria pradana | Poaceae
|
| PAPR11 | Panicum praecocius A.S. Hitchc. & Chase | Dichanthelium villosissimum var. praecocius | Poaceae
|
| PAPR9 | Panicum prostratum Lam. | Urochloa reptans | Poaceae
|
| PAPS3 | Panicum pseudagrostis Trin. | Panicum niihauense | Poaceae
|
| PAPS4 | Panicum pseudopubescens Nash | Dichanthelium villosissimum var. villosissimum | Poaceae
|
| PAPS12 | Panicum psilopodium Trin. | barefoot panicgrass | Poaceae
|
| PAPU7 | Panicum pumilum auct. non Poir. | Setaria pumila ssp. pallidifusca | Poaceae
|
| PAPU12 | Panicum purpurascens Raddi | Urochloa mutica | Poaceae
|
| PARA | Panicum radiatum (Vickery) St. John | Paspalidium distans | Poaceae
|
| PARA10 | Panicum ramisetum Scribn. | Setaria ramiseta | Poaceae
|
| PARA7 | Panicum ramosius A.S. Hitchc. | Lanai panicgrass | Poaceae
|
| PARA3 | Panicum ramosum L. | Urochloa ramosa | Poaceae
|
| PARA13 | Panicum ravenelii Scribn. & Merr. | Dichanthelium ravenelii | Poaceae
|
| PARE11 | Panicum recognitum Fern. | Dichanthelium scabriusculum | Poaceae
|
| PARE3 | Panicum repens L. | torpedo grass | Poaceae
|
| PARE9 | Panicum reptans L. | Urochloa reptans | Poaceae
|
| PARE10 | Panicum reverchonii Vasey | Setaria reverchonii | Poaceae
|
| PARH3 | Panicum rhizomatum A.S. Hitchc. & Chase | Panicum anceps | Poaceae
|
| PARIC | Panicum rigidulum Bosc ex Nees var. combsii (Scribn. & Ball) Lelong | Combs' panicgrass | Poaceae
|
| PARIC2 | Panicum rigidulum Bosc ex Nees var. condensum (Nash) Mohlenbrock | Panicum rigidulum var. rigidulum | Poaceae
|
| PARIE2 | Panicum rigidulum Bosc ex Nees var. elongatum (Pursh) Lelong | redtop panicgrass | Poaceae
|
| PARIP | Panicum rigidulum Bosc ex Nees var. pubescens (Vasey) Lelong | redtop panicgrass | Poaceae
|
| PARIR | Panicum rigidulum Bosc ex Nees var. rigidulum | redtop panicgrass | Poaceae
|
| PARI4 | Panicum rigidulum Bosc ex Nees | redtop panicgrass | Poaceae
|
| PARO4 | Panicum roanokense Ashe | Dichanthelium dichotomum var. dichotomum | Poaceae
|
| PARU4 | Panicum ruscifolium Kunth | Lasiacis ruscifolia | Poaceae
|
| PASAP2 | Panicum sabulorum Lam. var. patulum (Scribn. & Merr.) C.F. Reed | Dichanthelium sabulorum var. patulum | Poaceae
|
| PASAT | Panicum sabulorum Lam. var. thinium (A.S. Hitchc. & Chase) C.F. Reed | Dichanthelium sabulorum var. thinium | Poaceae
|
| PASA3 | Panicum sanguinale L. | Digitaria sanguinalis | Poaceae
|
| PASCC | Panicum scabriusculum Ell. var. cryptanthum (Ashe) Gleason | Dichanthelium scabriusculum | Poaceae
|