| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Description | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Muhlenbergia microsperma | In Diamond Head Crater | Preserved_Specimen | Herb. | Christophersen, E. | 1340 | Oahu | BISH | 1930-05-11 | |
| 2 | Muhlenbergia microsperma | Diamond Head, N and NE rim | Preserved_Specimen | Stone, B.C. | 3228 | Oahu | BISH | 1960-03-05 | ||
| 3 | Muhlenbergia microsperma | [Hawaiian Islands; U.S.A.; O`ahu; Hawai`i; Honolulu] | Preserved_Specimen | Wilcox, E.V. | Oahu | BISH | ||||
| 4 | Muhlenbergia microsperma | Honolulu; Diamond Head | Preserved_Specimen | Cleistogamous spikelets in lower sheaths. | (Not on sheet) | Oahu | BISH | 1907-04-01 | ||
| 5 | Muhlenbergia microsperma | Diamond head | Preserved_Specimen | Whitney, L.D. | 4011 | Oahu | BISH | 1935-12-28 | ||
| 6 | Muhlenbergia microsperma | Diamond Head, N side of basin of crater | Preserved_Specimen | Egler, F.E. | 3744 | Oahu | BISH | 1937-05-28 | ||
| 7 | Muhlenbergia microsperma | Diamond head | Preserved_Specimen | Whitney, L.D. | 4011 | Oahu | BISH | 1935-12-28 | ||
| 8 | Muhlenbergia microsperma | slope of Diamond Head | Preserved_Specimen | Whitney, L.D. | 4000 | Oahu | BISH | 1935-12-01 | ||
| 9 | Muhlenbergia microsperma | In Diamond Head Crater | Preserved_Specimen | Christophersen, E. | 1452 | Oahu | BISH | 1931-01-22 | ||
| 10 | Muhlenbergia microsperma | Diamond Head Beach | Preserved_Specimen | Whitney, L.D. | 4033 | Oahu | BISH | 1936-01-20 | ||
| 11 | Muhlenbergia microsperma | Diamond Head Crater | Preserved_Specimen | Krajina, V.J. | 611216021 | Oahu | BISH | 1961-12-16 | ||
| 12 | Muhlenbergia microsperma | Diamond Head, W side | On open ridge. | Preserved_Specimen | Munro, G.C. | 71 | Oahu | BISH | 1950-05-22 | |
| 13 | Muhlenbergia microsperma | Diamond Head crater, Honolulu; SW side | Dry slope. | Preserved_Specimen | Fosberg, F.R. | 13883 | Oahu | BISH | 1937-05-28 | |
| 14 | Muhlenbergia microsperma | NE ridge of Diamond Head overlooking Fort Ruger | Dry area; growing under Leucaena glauca with Heteropogon, Sida, Lipochaeta, Eragrostis variabilis. | Preserved_Specimen | Herbst, D.R. | 362 | Oahu | BISH | 1967-03-20 | |
| 15 | Muhlenbergia microsperma | Diamond Head Crater, western outer slope above La Pietra School, along old trail leading to abandoned Na Laau Arboretum | Open Prosopis dry forest with alien understory dominated by grasses. | Preserved_Specimen | Common bunchgrass growing trailside on dry, powdery soil. | Imada, C. | 20024 | Oahu | BISH | 2002-06-04 |
| 16 | Muhlenbergia microsperma | Diamond Head Crater, Honolulu | Grassy flat. | Preserved_Specimen | Fosberg, F.R. | 13904 | Oahu | BISH | 1937-05-28 | |
| 17 | Muhlenbergia microsperma | Diamond Head | Associated with Heteropogon contortus, Eragrostis variabilis and various annuals. | Preserved_Specimen | Culms not exceeding 8 in. ht. | Nagata, K.M. | 1216 | Oahu | BISH | 1974-02-03 |
| 18 | Muhlenbergia microsperma | Diamond Head, W slope | On rocky hill face. | Preserved_Specimen | Munro, G.C. | 40 | Oahu | BISH | 1950-04-01 | |
| 19 | Muhlenbergia microsperma | N side of Waiale Reservoir, sand dunes of isthmus | Lithified sand dunes. | Preserved_Specimen | Hobdy, R.W. | 437 | Maui | BISH | 1979-03-12 | |
| 20 | Muhlenbergia microsperma | Crater of Diamond Head | On dry open places. | Preserved_Specimen | Tufts. | St.John, H. | 17991 | Oahu | BISH | 1937-05-28 |
| 21 | Muhlenbergia microsperma | Plants within along Diamond Head Crater | Beneath Leucaena leucocephala. | Preserved_Specimen | Corn, C. | Oahu | BISH | 1980-02-13 | ||
| 22 | Muhlenbergia microsperma | N side of Waiale Reservoir, Maui isthmus | Lithified sand dunes. | Preserved_Specimen | Hobdy, R.W. | 438 | Maui | BISH | 1979-03-12 | |
| 23 | Muhlenbergia microsperma | Diamond Head State Monument, Honolulu | Growing on NW facing slope inside the crater with mostly non-native annual herbs, partial shade. | Preserved_Specimen | Annual, tufted, ca. 20-25 cm tall. >1000 plants seen. | Ross, M.C. | 1913 | Oahu | BISH | 2023-03-16 |