Boston fern
— Navneord
– Engelsk
~ a sword fern with arching or drooping pinnate fronds; a popular houseplant
bladder fern
— Navneord
– Engelsk
~ any fern of the genus Cystopteris characterized by a hooded indusium or bladderlike membrane covering the sori
berry fern
— Navneord
– Engelsk
~ North American fern often bearing bulbils on the leaflets
beech fern
— Navneord
– Engelsk
~ any fern of the genus Phegopteris having deeply cut triangular fronds
bulblet bladder fern
— Navneord
– Engelsk
~ North American fern often bearing bulbils on the leaflets
buckler fern
— Navneord
– Engelsk
~ any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sori
bulblet fern
— Navneord
– Engelsk
~ North American fern often bearing bulbils on the leaflets
button fern
— Navneord
– Engelsk
~ fern of New Zealand and Australia having trailing fronds with dark green buttonlike leaflets
button fern
— Navneord
– Engelsk
~ Jamaican fern having round buttonlike bulbils
bristle fern
— Navneord
– Engelsk
~ any fern of the genus Trichomanes having large pinnatifid often translucent fronds; most are epiphytic on tree branches and twigs or terrestrial on mossy banks
brittle bladder fern
— Navneord
– Engelsk
~ delicate fern widely distributed in North America and European having thin pinnatifid fronds with brittle stems
brittle fern
— Navneord
– Engelsk
~ delicate fern widely distributed in North America and European having thin pinnatifid fronds with brittle stems
broad beech fern
— Navneord
– Engelsk
~ beech fern of North American woodlands having straw-colored stripes
boulder fern
— Navneord
– Engelsk
~ fern of eastern North America with pale green fronds and an aroma like hay
blood feud
— Navneord
– Engelsk
~ a feud in which members of the opposing parties murder each other
blackwater fever
— Navneord
– Engelsk
~ severe and often fatal malaria characterized by kidney damage resulting in dark urine
buck fever
— Navneord
– Engelsk
~ nervous excitement of an inexperienced hunter
brain fever
— Navneord
– Engelsk
~ meningitis caused by bacteria and often fatal
boutonneuse fever
— Navneord
– Engelsk
~ a disease (common in India and around the Mediterranean area) caused by a rickettsia that is transmitted to humans by a reddish brown tick (ixodid) that lives on dogs and other mammals