Whisk Fern
Psilotum nudum
- Native to:
- American Samoa, Andaman Is., Angola, Argentina, Australia, Bahamas, Bangladesh, Belize, Bermuda, Bolivia, Brazil, Cape Verde, Caroline Is., Cayman Is., Central American Pacific Is., Chagos Archipelago, China, Christmas I., Colombia, Comoros, Cook Is., Costa Rica, Cuba, Dominican Republic, DR Congo, Ecuador, El Salvador, Equatorial Guinea, Eswatini, Federated States of Micronesia, Fiji, Gabon, Galápagos, Ghana, Gilbert Is., Guam, Guatemala, Guinea, Gulf of Guinea Is., Haiti, Hawaii, Honduras, India, Jamaica, Japan, Kazan-retto, Kenya, Kermadec Is., Korea, Laos, Leeward Is., Lesotho, Lesser Sunda Is., Liberia, Line Is., Madagascar, Malaya, Maluku, Marianas, Marquesas, Marshall Is., Marshall Islands, Mauritius, Mexican Pacific Is., Mexico, Mozambique, Myanmar, Nansei-shoto, Nauru, Nepal, New Caledonia, New Guinea, New Zealand, Nicaragua, Nicobar Is., Nigeria, Niue, Norfolk Is., Northern Mariana Islands, Ogasawara-shoto, Pakistan, Palau, Panamá, Paraguay, Peru, Philippines, Pitcairn Is., Puerto Rico, Réunion,
Poyt448 Peter Woodard






Taxonomy
- Division:
- Psilophyta | - Whisk-ferns
- Family:
- Psilotaceae
- Genus:
- Psilotum
- Species:
- Psilotum nudum
- USDA Symbol:
- PSNU
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 30 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Low
Garden & Ecology Notes
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- commonly found in rocky crevices and on tree trunks
Propagation & Germination
- Notes:
- Spores require moist, sterile conditions and symbiotic fungi for germination; not typically propagated by seed.