1. Annual wiry-stemmed North American weed with minute scalelike leaves and small yellow flowers
   - orange grass, nitweed, pineweed, pine-weed

Type of: St John's wort

• Passer domesticus
• Passer montanus
• passerby
• Passeres
• Passeridae
• passeriform bird
• Passeriformes
• Passerina
• Passerina cyanea
• passerine
• Passero
• Passero Cape
• passible
• Passiflora
• Passiflora edulis
• Passiflora foetida
• Passiflora incarnata
• Passiflora laurifolia
• Passiflora ligularis
• Passiflora maliformis
• Passiflora mollissima
• Passiflora quadrangularis
• Passifloraceae
• passim
• passing