Explore 23,508 Species
Prostrate Knotweed
Polygonum aviculare L.
Polygonum aviculare L., common knotgrass, is a widespread invasive annual herb n…
Horsetail Knotgrass
Polygonum equisetiforme Sm.
beach knotweed
Polygonum paronychia Cham. & Schltdl.
Polygonum paronychia Cham. & Schltdl. is a small shrub, and its poultice treats …
Small Knotweed
Polygonum plebeium R.Br.
Polygonum plebeium is a flowering knotweed species native to Australia, Africa, …
bushy knotweed
Polygonum ramosissimum Michx.
Polygonum ramosissimum is a morphologically variable plant with specific conserv…
slender bindweed
Polymeria calycina R.Br.
Slender bindweed (Polymeria calycina) is a prostrate herbaceous vine native to n…
leafcup
Polymnia canadensis L.
Polymnia canadensis, commonly bears foot or small-flowered leafcup, is a perenni…
veined bristle-fern
Polyphlebium venosum (R.Br.) Copel.
Polyphlebium venosum is a small delicate fern restricted to wet Australian and N…
irregular polypody
Polypodium amorphum Suksd.
Polypodium amorphum is a small fern native to the North American Pacific Northwe…
Appalachian rockcap fern
Polypodium appalachianum Haufler & Windham
Polypodium appalachianum is a diploid fern native to eastern North America, firs…
California Polypody
Polypodium californicum Kaulf.
Polypodium californicum Kaulf. is a fern with scaly rhizomes, segmented leaves, …
southern polypody
Polypodium cambricum L.
Polypodium cambricum L. is a perennial fern with two Award of Garden Merit winni…
licorice fern
Polypodium glycyrrhiza D.C.Eaton
Polypodium glycyrrhiza, the licorice fern, is a sweet-flavored North American fe…
western polypody
Polypodium hesperium Maxon
Polypodium hesperium Maxon is a fern with scaly rhizomes, oblong segmented leave…
intermediate polypody
Polypodium interjectum Shivas
Polypodium interjectum Shivas is a medium ladder-like European fern that grows i…
ʻAe lau nui
Polypodium pellucidum Kaulf.
Polypodium pellucidum Kaulf. is a Hawaiian fern that grows in cracks and coloniz…
leathery polypody
Polypodium scouleri Hook. & Grev.
Polypodium scouleri is a coastal North American fern with common names including…
rock polypody
Polypodium virginianum L.
Polypodium virginianum is a small rhizomatous evergreen fern common in rocky hab…
common polypody
Polypodium vulgare L.
Common polypody (Polypodium vulgare L.) is an adaptable evergreen fern with culi…
rabbitfoot grass
Polypogon monspeliensis (L.) Desf.
Polypogon monspeliensis is an Old World native annual grass, now a widespread in…
water beard grass
Polypogon viridis (Gouan) Breistr.
Polypogon viridis is a perennial true grass species native to parts of Eurasia, …
Rust Weed
Polypremum procumbens L.
Polypremum procumbens, the only species in genus Polypremum, is a low-growing he…
celery wood
Polyscias elegans (C.Moore & F.Muell.) Harms
Polyscias elegans is a fast-growing Australian tree whose fruit is eaten by many…
Elderberry Panax
Polyscias sambucifolia (DC.) Harms
Polyscias sambucifolia, or elderberry panax, is an Australian rainforest-edge pl…
