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  2. Tilden Collection

Tilden Collection

There are 353 collection objects. Of these, 173 have one or more high resolution images - a total of 237 images, and 352 collection objects are georeferenced.

There are 60 families, 134 genera, and 157 species.

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Miss Josephine E. Tilden (1879-1957) was an expert on algal diversity and the first woman employed at the University of Minnesota, Minneapolis, USA, where she taught and conducted research on freshwater and marine algae. Tilden travelled globally to collect algal specimens to support her scientific research and her specimens can be found in herbaria around the world.

In October 1934, Tilden conducted field work in Australia and New Zealand accompanied by 10 students from the University of Minnesota to collect algae for an exsiccatae. An exsiccatae is a collection of dried and pressed plant specimens that document the biodiversity of a geographical region. During their seven month tour the team collected approximately 20,000 specimens!

These specimens formed the basis of the South Pacific Plants exsiccatae Series One (1910,1912) and Series Two (1934-35), which includes a total of 540 herbarium specimens Sixty five sets of the exsiccatae were distributed to interested herbaria around the world by the herbarium at the Memorial University of Newfoundland (NFLD) between 1976 and 1979.

The University of Melbourne Herbarium (MELU) holds a set of the South Pacific Plants exsiccatae. The specimen data and images are now available for viewing as "Tilden's South Pacific Plants Collection" in the collection online. This collection provides a valuable record of the common species found at some important collecting sites in Australia and New Zealand during the early part of the twentieth century.

Acknowledgements: Curation work on The Tilden Collection was carried out by Margaret Brookes at MELU. Digital data for Josephine Tilden's specimens were kindly provided to MELU by the National Herbarium of Victoria (MEL).

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An orange circle indicates 10 to 99 proximal locations where objects were collected. Click on the circle or zoom to resolve the locations.


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FamilyGenusSpeciesNumber of collection objects
Cladophoraceae Chaetomorpha Chaetomorpha aerea 6
Cladophoraceae Chaetomorpha Chaetomorpha coliformis 4
Cladophoraceae Chaetomorpha - 1
Cladophoraceae Chaetomorpha Chaetomorpha melagonium 1
Cladophoraceae Chaetomorpha Chaetomorpha billardierii 1
Cladophoraceae Cladophora - 5
Cladophoraceae Cladophora Cladophora verticillata 3
Cladophoraceae Cladophora Cladophora subsimplex 1
Cladophoraceae Cladophora Cladophora albida 1
Cladophoraceae Lychaete Lychaete herpestica 4
Cladophoraceae Wittrockiella Wittrockiella lyallii 3
Cladophoraceae Apjohnia Apjohnia laetevirens 2
Cladophoraceae Rhizoclonium Rhizoclonium hieroglyphicum 2
Gelidiaceae Gelidium - 4
Gelidiaceae Gelidium Gelidium pusillum 4
Gelidiaceae Gelidium Gelidium australe 2
Gelidiaceae Gelidium Gelidium asperum 1
Gelidiaceae Gelidium Gelidium longipes 1
Gelidiaceae Pterocladiella Pterocladiella capillacea 4
Gelidiaceae Pterocladiella Pterocladiella caerulescens 1
Gelidiaceae Pterocladia Pterocladia lucida 3
Gelidiaceae Pterocladia - 1
Ulvaceae Ulva - 13
Ulvaceae Ulva Ulva parva 2
Ulvaceae Ulva Ulva rigida 2
Ulvaceae Ulva Ulva linza 1
Sargassaceae Cystophora Cystophora scalaris 1
Sargassaceae Cystophora Cystophora torulosa 1
Sargassaceae Cystophora Cystophora subfarcinata 1
Sargassaceae Cystophora Cystophora retorta 1
Sargassaceae Sargassum - 2
Sargassaceae Sargassum Sargassum tristichum 1
Sargassaceae Sargassum Sargassum sinclairii 1
Sargassaceae Carpophyllum Carpophyllum maschalocarpum 3
Sargassaceae Carpophyllum Carpophyllum plumosum 1
Sargassaceae Caulocystis Caulocystis cephalornithos 1
Sargassaceae Caulocystis Caulocystis uvifera 1
Sargassaceae Hormophysa Hormophysa cuneiformis 1
Sargassaceae Cystoseira - 1
Sargassaceae Carpoglossum Carpoglossum confluens 1
Rhodomelaceae Dasyclonium Dasyclonium incisum 4
Rhodomelaceae Perrinia Perrinia ericoides 2
Rhodomelaceae Coeloclonium Coeloclonium tasmanicum 2
Rhodomelaceae Vertebrata Vertebrata australis 1
Rhodomelaceae Polysiphonia - 1
Rhodomelaceae Laurencia Laurencia distichophylla 1
Rhodomelaceae Lophothalia Lophothalia hormoclados 1
Rhodomelaceae Palisada Palisada tumida 1
Rhodomelaceae Adamsiella Adamsiella angustifolia 1
Rhodomelaceae Bostrychia Bostrychia intricata 1
Oscillatoriaceae Microcoleus Microcoleus lyngbyaceus 7
Oscillatoriaceae Schizothrix Schizothrix mexicana 3
Oscillatoriaceae Schizothrix Schizothrix calcicola 2
Oscillatoriaceae Schizothrix Schizothrix rubella 1
Oscillatoriaceae Phormidium Phormidium retzii 1
Dictyotaceae Dictyota Dictyota kunthii 5
Dictyotaceae Dictyota Dictyota ocellata 2
Dictyotaceae Dictyota - 2
Dictyotaceae Dictyota Dictyota dichotoma 1
Dictyotaceae Zonaria - 1
Dictyotaceae Zonaria Zonaria angustata 1
Dictyotaceae Chlanidophora Chlanidophora microphylla 1
Dictyotaceae Dictyopteris Dictyopteris muelleri 1
Ectocarpaceae Ectocarpus - 6
Ectocarpaceae Ectocarpus Ectocarpus siliculosus 3
Ectocarpaceae Feldmannia Feldmannia mitchelliae 3
Ectocarpaceae Bachelotia Bachelotia antillarum 1
Wrangeliaceae Griffithsia Griffithsia antarctica 1
Wrangeliaceae Griffithsia Griffithsia teges 1
Wrangeliaceae Griffithsia Griffithsia monilis 1
Wrangeliaceae Lophothamnion Lophothamnion hirtum 2
Wrangeliaceae Lophothamnion Lophothamnion comatum 1
Wrangeliaceae Wrangelia Wrangelia plumosa 2
Wrangeliaceae Wrangelia Wrangelia nobilis 1
Wrangeliaceae Haloplegma Haloplegma preissii 1
Wrangeliaceae Diapse Diapse ptilota 1
Wrangeliaceae Medeiothamnion Medeiothamnion halurus 1
Scytosiphonaceae Colpomenia Colpomenia sinuosa 3
Scytosiphonaceae Colpomenia Colpomenia peregrina 2
Scytosiphonaceae Colpomenia - 1
Scytosiphonaceae Scytosiphon Scytosiphon lomentaria 6
Ceramiaceae Centroceras Centroceras clavulatum 4
Ceramiaceae Antithamnionella Antithamnionella adnata 1
Ceramiaceae Elisiella Elisiella dispar 1
Ceramiaceae Gayliella Gayliella flaccida 1
Ceramiaceae Ceramium Ceramium rubrum 1
Ceramiaceae Microcladia Microcladia novae-zelandiae 1
Ceramiaceae Heterothamnion Heterothamnion muelleri 1
Dasyaceae Dasya Dasya naccarioides 3
Dasyaceae Dasya Dasya collabens 2
Dasyaceae Heterosiphonia Heterosiphonia concinna 1
Dasyaceae Heterosiphonia Heterosiphonia squarrosa 1
Dasyaceae Heterosiphonia Heterosiphonia wrangelioides 1
Dasyaceae Heterosiphonia Heterosiphonia gunniana 1
Dasyaceae Thuretia Thuretia quercifolia 1
Corallinaceae Jania Jania rosea 3
Corallinaceae Jania Jania micrarthrodia 2
Corallinaceae Jania Jania fastigiata 1
Corallinaceae Metamastophora Metamastophora flabellata 1
Corallinaceae Arthrocardia - 1
Corallinaceae Corallina Corallina officinalis 1
Splachnidiaceae Splachnidium Splachnidium rugosum 9
Rivulariaceae Calothrix Calothrix parietina 6
Rivulariaceae Calothrix Calothrix crustacea 1
Rivulariaceae Rivularia Rivularia australis 1
Plocamiaceae Plocamium Plocamium mertensii 3
Plocamiaceae Plocamium Plocamium cartilagineum 2
Plocamiaceae Plocamium Plocamium angustum 2
Plocamiaceae Plocamium Plocamium preissianum 1
Delesseriaceae Myriogramme Myriogramme gunniana 2
Delesseriaceae Phitymophora Phitymophora amansioides 1
Delesseriaceae Hemineura Hemineura frondosa 1
Delesseriaceae Schizoseris Schizoseris griffithsia 1
Delesseriaceae Laingia Laingia hookeri 1
Delesseriaceae Hymenena Hymenena semicostata 1
Chordariaceae Leathesia Leathesia marina 1
Chordariaceae Leathesia Leathesia difformis 1
Chordariaceae Myriogloea Myriogloea sciurus 1
Chordariaceae Myriogloea Myriogloea intestinalis 1
Chordariaceae Suringariella Suringariella harveyana 1
Chordariaceae Cladosiphon Cladosiphon vermicularis 1
Chordariaceae Tinocladia Tinocladia novae-zelandiae 1
Gigartinaceae Gigartina Gigartina macrocarpa 2
Gigartinaceae Gigartina Gigartina pachymenioides 1
Gigartinaceae Gigartina Gigartina angulata 1
Gigartinaceae Sarcothalia Sarcothalia marginifera 3
Gracilariaceae Melanthalia Melanthalia abscissa 3
Gracilariaceae Curdiea Curdiea angustata 1
Gracilariaceae Curdiea Curdiea furcata 1
Gracilariaceae Gracilaria - 1
Bryopsidaceae Bryopsis Bryopsis vestita 4
Bryopsidaceae Bryopsis - 1
Bryopsidaceae Bryopsis Bryopsis plumosa 1
Caulerpaceae Caulerpa Caulerpa obscura 2
Caulerpaceae Caulerpa Caulerpa papillosa 2
Caulerpaceae Caulerpa Caulerpa cactoides 1
Caulerpaceae Caulerpa Caulerpa cylindracea 1
Rhodymeniaceae Rhodymenia Rhodymenia wilsonis 1
Rhodymeniaceae Rhodymenia Rhodymenia leptophylla 1
Rhodymeniaceae Hymenocladia Hymenocladia chondricola 2
Rhodymeniaceae Botryocladia Botryocladia sonderi 1
Scytothamnaceae Scytothamnus Scytothamnus australis 3
Scytothamnaceae Adenocystis Adenocystis utricularis 2
Halymeniaceae Pachymenia Pachymenia lusoria 3
Halymeniaceae Grateloupia - 2
Hormosiraceae Hormosira Hormosira banksii 5
Siphonocladaceae Struvea Struvea plumosa 2
Siphonocladaceae Dictyosphaeria Dictyosphaeria sericea 1
Siphonocladaceae Cladophoropsis Cladophoropsis lyallii 1
Liagoraceae Nemalion Nemalion helminthoides 2
Liagoraceae Helminthocladia Helminthocladia australis 1
Liagoraceae Liagora Liagora australasica 1
Sphacelariaceae Cladostephus Cladostephus spongiosum 3
Sphacelariaceae Sphacelaria - 1
Fucaceae Xiphophora Xiphophora chondrophylla 4
Alariaceae Ecklonia Ecklonia radiata 4
Scytonemataceae Scytonematopsis Scytonematopsis crustacea 2
Scytonemataceae Scytonema Scytonema hofmannii 1
Bonnemaisoniaceae Delisea Delisea elegans 2
Bonnemaisoniaceae Asparagopsis Asparagopsis taxiformis 1
Durvillaeaceae Durvillaea Durvillaea antarctica 2
Durvillaeaceae Durvillaea Durvillaea potatorum 1
Nizymeniaceae Nizymenia Nizymenia australis 2
Nizymeniaceae Nizymenia Nizymenia furcata 1
Codiaceae Codium Codium spongiosum 2
Codiaceae Codium Codium lucasii 1
Acrochaetiaceae Audouinella - 1
Acrochaetiaceae Camontagnea Camontagnea oxyclada 1
Callithamniaceae Ptilocladia Ptilocladia vestita 1
Callithamniaceae Hirsutithallia Hirsutithallia mucronata 1
Cystocloniaceae Rhodophyllis Rhodophyllis membranacea 1
Cystocloniaceae Hypnea - 1
Acrotylaceae Acrotylus Acrotylus australis 1
Acrotylaceae Claviclonium Claviclonium ovatum 1
Microsporaceae Microspora Microspora floccosa 2
Scinaiaceae Nothogenia Nothogenia fastigiata 2
Phyllophoraceae Gymnogongrus Gymnogongrus nodifer 2
Kallymeniaceae Callophyllis Callophyllis lambertii 2
Entophysalidaceae Entophysalis Entophysalis deusta 2
Bangiaceae Pyropia Pyropia columbina 2
Champiaceae Champia Champia affinis 1
Champiaceae Champia Champia zostericola 1
Balliaceae Ballia Ballia callitricha 1
Chroococcaceae Sorospora Sorospora montana 1
Microcystaceae Anacystis Anacystis thermalis 1
Oedogoniaceae Oedogonium Oedogonium idioandrosporum 1
Caulacanthaceae Caulacanthus Caulacanthus ustulatus 1
Valoniaceae Valoniopsis Valoniopsis pachynema 1
Ahnfeltiaceae Ahnfeltia Ahnfeltia torulosa 1
Aphanothecaceae Aphanothece Aphanothece stagnina 1
Sarcomeniaceae Platysiphonia - 1
Mychodeaceae Mychodea Mychodea pusilla 1
Phacelocarpaceae Phacelocarpus Phacelocarpus peperocarpos 1
Areschougiaceae Callophycus Callophycus oppositifolius 1
Spyridiaceae Spyridia Spyridia filamentosa 1

Years CollectedNumber of collection objects
1910-191952
1920-19290
1930-1939300
Total352


Years DeterminedNumber of collection objects
1970-19791
1980-19893
1990-19991
2000-20093
2010-201982
2020-20293
Total93

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