Each numbered point is a stop: a run of days spent within about ten kilometres. The route between stops is drawn straight; the real course went by sea, by road or on foot. Hollow-looking stops are placed at the centre of an island whose labels carry no coordinates.
Puuwaawaa, Hawaiʻi Island 1–3 June 1911 · 3 days 12 specimens, 10 names · placed by island
Kadua affinis 2 , Pseudoinonotus dryadeus 2 , Melicope hawaiensis 1
The specimens from 1 Jun–3 Jun → Nuuanu Valley, Oʻahu 4 June 1911 1 specimens, 1 name · placed by island
Camonea umbellata 1
The specimens from 4 Jun → Puuwaawaa, Hawaiʻi Island 7–9 June 1911 · 3 days 57 specimens, 50 names · placed by island
Notelaea 2 , Sida fallax 2 , Asplenium aethiopicum 2
The specimens from 7 Jun–9 Jun → Kona, Papaloa, Hawaiʻi Island 14 June 1911 1 specimens, 1 name · placed by island
Panicum tenuifolium 1
The specimens from 14 Jun → Kona; Hanehane, Hawaiʻi Island 15 June 1911 22 specimens, 17 names · placed by island
Trisetum glomeratum 3 , Sisyrinchium acre 2 , Geranium cuneatum 2
The specimens from 15 Jun → Hanehane, Hualalai, near Puuwaawaa, Hawaiʻi Island 16 June 1911 22 specimens, 14 names · placed by island
Carex uncinata 4 , Phyllostegia ambigua 4 , Asteraceae 2
The specimens from 16 Jun → Hanehane, Kona, Hawaiʻi Island 17 June 1911 7 specimens, 5 names · placed by island
Bidens campylotheca 2 , Eragrostis deflexa 2 , Eragrostis grandis 1
The specimens from 17 Jun → Summit of Hualalai, Hawaiʻi Island 18–19 June 1911 · 2 days 26 specimens, 21 names · placed by island
Deschampsia nubigena 3 , Festuca myuros 3 , Tetramolopium humile 2
The specimens from 18 Jun–19 Jun → Hialalai, near summit, Hawaiʻi Island 20 June 1911 1 specimens, 1 name · placed by island
Dodonaea viscosa 1
The specimens from 20 Jun → Kaalapuuwale [Kealapuali, Hawaiʻi Island 21 June 1911 15 specimens, 11 names · placed by island
Veronica plebeia 4 , Veronica serpyllifolia 2 , Medicago sativa 1
The specimens from 21 Jun → Kealapuali, Kona, Hawaiʻi Island 22 June 1911 5 specimens, 4 names · placed by island
Polystichum hillebrandii 2 , Argemone glauca 1 , Cyclospermum leptophyllum 1
The specimens from 22 Jun → Kanehaha, Kona, Hawaiʻi Island 23–26 June 1911 · 4 days 26 specimens, 24 names · placed by island
Myrsine lanaiensis 2 , Dryopteris hawaiiensis 2 , Cocculus orbiculatus 1
The specimens from 23 Jun–26 Jun → Kona; above Honomalino Water Hole, Hawaiʻi Island 27 June 1911 8 specimens, 6 names · placed by island
Dubautia ciliolata 3 , Dubautia linearis 1 , Hesperocnide sandwicensis 1
The specimens from 27 Jun → Kasnehaha, Kona, Hawaiʻi Island 28 June 1911 3 specimens, 3 names · placed by island
Cyperus hillebrandii 1 , Pittosporum hosmeri 1 , Torilis nodosa 1
The specimens from 28 Jun → Kaalapuuwale [Kealapuali?, Kona, Hawaiʻi Island 29 June 1911 15 specimens, 11 names · placed by island
Pittosporum terminalioides 2 , Ranunculus parviflorus 2 , Kadua centranthoides 2
The specimens from 29 Jun → Kealapuali, Kona, Hawaiʻi Island 30 June 1911 21 specimens, 12 names · placed by island
Perrottetia sandwicensis 3 , Melicope clusiifolia 3 , Melicope volcanica 3
The specimens from 30 Jun → Kona, Kealapuali, Hawaiʻi Island 1 July 1911 6 specimens, 4 names · placed by island
Asplenium macraei 2 , Pteris irregularis 2 , Geranium cuneatum 1
The specimens from 1 Jul → Nuuanu Valley, Oʻahu 7 July 1911 1 specimens, 1 name · placed by island
Cardiospermum halicacabum 1
The specimens from 7 Jul → Kona: Slopes of Mauna Loa near Puu O Uo, Hawaiʻi Island 9 July 1911 2 specimens, 1 name · placed by island
Dodonaea viscosa 2
The specimens from 9 Jul → Mauna Loa, below Puu o Uo, Kona, Hawaiʻi Island 11 July 1911 1 specimens, 1 name · placed by island
Carex subfusca 1
The specimens from 11 Jul → Papaloa, Kona, Hawaiʻi Island 14–15 July 1911 · 2 days 33 specimens, 23 names · placed by island
Kadua affinis 3 , Asplenium polyodon 3 , Geranium cuneatum 2
The specimens from 14 Jul–15 Jul → Hualalai, near summit, Hawaiʻi Island 17 July 1911 1 specimens, 1 name · placed by island
Sophora chrysophylla 1
The specimens from 17 Jul → Kaunene, near Papaloa, Hawaiʻi Island 18 July 1911 4 specimens, 4 names · placed by island
Dicranum spirophyllum 1 , Macromitrium microstomum 1 , Sanicula sandwicensis 1
The specimens from 18 Jul → Kukui-O-Pii, Kona, Hawaiʻi Island 19 July 1911 1 specimens, 1 name · placed by island
Stenogyne rugosa 1
The specimens from 19 Jul → above Puu o Keo Keo, flow of 1907, Hawaiʻi Island 21 July 1911 3 specimens, 3 names · placed by island
Asteraceae 1 , Polypodium pellucidum 1 , Vaccinium reticulatum 1
The specimens from 21 Jul → Honomalaio, Kona, Hawaiʻi Island 22 July 1911 1 specimens, 1 name · placed by island
Myrsine sandwicensis 1
The specimens from 22 Jul → Honomalino, Kona, Hawaiʻi Island 23 July 1911 6 specimens, 4 names · placed by island
Antidesma platyphyllum 2 , Pittosporum hosmeri 2 , Coprosma rhynchocarpa 1
The specimens from 23 Jul → Kapua, Kona, Hawaiʻi Island 24–26 July 1911 · 3 days 32 specimens, 21 names · placed by island
Coprosma menziesii 3 , Wikstroemia sandwicensis 3 , Pittosporum hosmeri 3
The specimens from 24 Jul–26 Jul → Kapapala, Kau, Hawaiʻi Island 1 August 1911 47 specimens, 30 names · placed by island
Stenogyne rugosa 4 , Asteraceae 3 , Gesneriaceae 3
The specimens from 1 Aug → Kau Desert, Hawaiʻi Island 2–3 August 1911 · 2 days 21 specimens, 14 names · placed by island
Pittosporum terminalioides 3 , Kadua affinis 3 , Melicope hawaiensis 2
The specimens from 2 Aug–3 Aug → Kapapala, Kau, Hawaiʻi Island 4 August 1911 4 specimens, 4 names · placed by island
Phytolacca sandwicensis 1 , Psychotria hawaiiensis 1 , Sicyos anunu 1
The specimens from 4 Aug → Kau Desert, Hawaiʻi Island 5 August 1911 2 specimens, 1 name · placed by island
Asteraceae 2
The specimens from 5 Aug → Kapapala, Kau, Hawaiʻi Island 7–8 August 1911 · 2 days 13 specimens, 9 names · placed by island
Melicope radiata 3 , Ceodes brunoniana 2 , Melicope pseudoanisata 2
The specimens from 7 Aug–8 Aug → Mts behind Pahala, Kau, Hawaiʻi Island 9 August 1911 28 specimens, 19 names · placed by island
Cyanea floribunda 4 , Kadua centranthoides 3 , Ilex anomala 2
The specimens from 9 Aug →