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Accession Data:

Microsorum steerei (Harr.) Ching

  • Common Name: Blue Strap Fern
  • Family: Polypodiaceae Bercht. & J. Presl.
  • Synonym(s): Microsorum thailandicum Boonkerd & Noot.

  • Country of Origin: Thailand, southern China, Vietnam
  • Habitat: limestone hills in peninsular Thailand

  • Description: Blue Strap Fern is an epiphtye or lithophyte that is found growing on limestone hills in peninsular Thailand. This ferns remarkable blue iridescence is thought to enable selective absorption of light.
  • Culture: epiphyte or lithophyte on limestone. Warm temps. Bright filtered light, high humidity.
  • USDA Zone: 10-12

Accession Data:

  • Accession # 200202460
  • Source: Tim Devine - CSU Chico
  • Provenance:
    Originally rcvd as Microsorum thailandicum.
    CSU-Chico ex Dick & Donna Murrill, 9416 Cummings Rd., Durham, CA. 
    Plant given to Murrills in Thailand. 
    
    
    
  • Accession Date: 10-17-2002
  • Bench: 3101 - EVO: Bryophytes & Lycopods
    • Currently: active - healthy
    • Qty: 2 confirmed on 03-11-2025

Classification:

  • Division: Ferns
  • Class: Polypodiopsida
  • SubClass: Polypodiidae
  • Order: Polypodiales
  • SubOrder: Polypodiineae
  • Family: Polypodiaceae
  • SubFamily: Microsoroideae
  • Tribe:
  • SubTribe:

Flowering Data:

This accession has been observed in bloom on:
YearJanFebMarAprMayJunJulAugSepOctNovDec
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012

References (internal):

  • Ferns & Fern Allies
  • Iridescent Plants
  • EEB 3271 - Systematic Botany
  • Plants used in EEB 2244 - General Ecology
  • Scavenger Hunt - Grades 9-12 (generic)
  • EEB Greenhouse Holdings native to: China South-Central / China Southeast / Taiwan / Thailand / Vietnam

References (external):

  1. The Plant List (2013). Version 1.1. Last accessed on Thursday, September 28, 2017.
  2. Microsorum steerei at Flora of China. Last accessed on Thursday, September 28, 2017.
  3. Microsorum thailandicum at Exotic Rainforest. Last accessed Friday, May 11, 2018.

data regenerated on Thu, 27 Mar 2025 11:45:13 -0400 [bcm v4.0]

Images:

Microsorum steerei

Additional images for this accession:

Click on thumbnails to enlarge

Current Accessions in the Polypodiaceae

  • Pseudodrynaria coronans

Subfamily Drynarioideae

  • Aglaomorpha meyeniana
  • Aglaomorpha speciosa
  • Drynaria bonii

Subfamily Microsoroideae

  • Colysis hemionitidea
  • Goniophlebium subauriculatum
  • Lecanopteris luzonensis
  • Lecanopteris sarcopus
  • Lemmaphyllum microphyllum
  • Lemmaphyllum microphyllum
  • Microsorum punctatum "Grandiceps"
  • Microsorum scandens
  • Microsorum sp.
  • Microsorum steerei
  • Microsorum unidentified
  • Neolepisorus ovatus

Subfamily Platycerioideae

  • Platycerium alcicorne W/C
  • Platycerium alcicorne W/C
  • Platycerium andinum
  • Platycerium bifurcatum
  • Platycerium coronarium
  • Platycerium grande
  • Platycerium madagascariense
  • Platycerium quadridichotomum
  • Platycerium stemaria
  • Platycerium veitchii
  • Pyrrosia lingua
  • Pyrrosia lingua 'Hiryu'
  • Pyrrosia polydactylis

Subfamily Polypodioideae

  • Polypodiodes formosana

Subfamily Polypodioideae
Tribe non-grammitid ferns

  • Campyloneurum phyllitidis
  • Microgramma lycopodioides
  • Microgramma nitida
  • Phlebodium aureum
  • Serpocaulon meniscifolium W/C
W/C = Wild Collected
= indicates flowering in past 14 days
= images available for this accession
= map available for this accession
= accession added within past 90 days
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