Biodiversity survey pilot project at Charles Darwin Reserve, Western Australia Vascular Plants

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Biodiversity survey pilot project at Charles

Darwin Reserve, Western Australia

Vascular Plants

Report to Australian Biological Resources Study, Department of the Environment,

Water, Heritage and the Arts, Canberra

Terry D. Macfarlane

Western Australian Herbarium, Science Division, Department of Environment and

Conservation, Western Australia.

31 August 2009

Cover picture: View of York gum (Eucalyptus loxophleba) woodland below a greenstone ridge, with

extensive Acacia shrubland in the distance, northern Charles Darwin Reserve, May 2009. (Photo T.D.

Macfarlane).

3

Biodiversity survey pilot project at Charles

Darwin Reserve, Western Australia

Terry D. Macfarlane

Western Australian Herbarium, Science Division, Department of Environment and Conservation,

Western Australia. Address: DEC, Locked Bag 2, Manjimup WA 6258

Project aim

This project was conceived to carry out a biological survey of a reserve forming part

of the National Reserve System, to provide biodiversity information for reserve

management and to contribute to taxonomic knowledge including description of new

species as appropriate.

Survey structure

A team of scientists specialising in different organism groups each with a team of

Earthwatch volunteer assistants, driver and vehicle, carried out the survey following

individually devised field programs, over the 1 week period 5-9 May 2009.

Science teams

Five science teams, each led by one of the scientists, specialised on the following

organism groups:

Plants, Insects (Lepidoptera), Insects (Heteroptera), Vertebrates , Arachnids.

Plants were collected by the Plants team and also by some of the animal scientists,

particularly Celia Symonds, in order to accurately document the insect host plants.

These additional collections were identified along with the other flora vouchers, and

contribute to the flora results reported here.

Flora: introduction

The Charles Darwin Reserve consists of a mosaic of plant communities which inhabit

extensive plains of yellow sand, red sandy clay or loam, granite rocks, lateritic

breakways, greenstone ridges or hills, and wetlands such as salt lakes, claypans and

ephemeral swamps. The vegetation includes extensive areas of species-rich shrubland

of several variants that are representative of flora considered characteristic of the

Wheatbelt, Acacia-dominated shrubland on red soil plains, and Eucalyptus woodlands

on heavier clay-containing soils, and these are of different kinds: York Gum (E.

loxophleba) woodland, Salmon Gum (E. salmonophloia) woodland, and Gimlet (E.

salubris) woodland, and chenopod shrublands on saline sites. The vegetation can be

considered as containing significant proportions of types characteristic of the

Wheatbelt and of the arid zone Rangelands.

The Reserve was formerly White Wells pastoral station and was grazed intermittently

by sheep for about 80 years (Nicholson 2007). However the vegetation was not

cleared, except for a relatively small area near the homestead which has been cropped.

Overlaying the mosaic of plant communities is another mosaic, of fire history, and the

age since fire can have as dramatic a visual effect as differences in vegetation type.

Examples are evident in parts of the Reserve now. Recency of fire can also govern the

occurrence of species since some live for only a short time after fire (or physical

disturbance such as track work). The condition of the vegetation and therefore the

success of biological survey work is also affected substantially by the season and the

amount of rain that has fallen in the preceding period.

The vegetation and species of plants occurring in the Charles Darwin Reserve are

moderately well known, but as the results of this survey show, the Reserve has not

been exhaustively surveyed. The list of possibly new taxa also demonstrates that the

Reserve flora is consistent with the general situation in south western Australia, which

is that taxonomic knowledge is far from complete.

Previous collecting has been fairly extensive, and has been carried out by WA

volunteer groups including the WA Wildflower Society and the WA Naturalists Club,

the Agriculture Department Rangelands Survey group (Payne et al. 1998), Bush

Heritage reserve managers, environmental consultants, Department of Environment

and Conservation (DEC) flora officers, and passing botanists. A large proportion of

the records have been made over many years by botanists from throughout Australia

and elsewhere passing along the Great Northern Highway which traverses the south

east corner of the Reserve. A longer stretch of the Highway falls within the buffer

zone used in the preparation of the list and is one reason for the wider WAHERB list

exceeding the Reserve list (see below) by such a large number of species (Map1).

The Survey

Objectives of the flora survey

The flora survey was based on covering as many habitat types as possible over as

wide a range of the reserve as possible. Plots were not used since the emphasis was on

the species diversity and inventory rather than vegetation communities, although other

surveys have used a plot-based approach in parts of the reserve previously.

In keeping with the overall project plan, there was a particular focus on species that

for any reason were suspected of not having been collected on the reserve, that were

in flower at the time since the survey was carried out at a season when most species

are not in flower, and any species seen in fruit where the collection of fruits was

considered likely to be a useful addition to Herbarium scientific collections. In

addition, requests made by colleagues were fulfilled as far as possible, relating to rare

species, putatively new species or variation that needed to be checked. An especial

search was made for plants in my particular taxonomic specialty groups, Wurmbea

and other petaloid monocots, and grasses. The seasonal conditions meant that weeds,

which are mostly annuals here, were scarcely visible.

Of particular interest for the overall project were species that might be new records

for the reserve, and species that might be new to science.

Methods

In preparation for the survey I prepared species lists for the Reserve from the Western

Australian Herbarium specimen database WAHERB as a guide to species known to

be present and to aid recognition of new records. There were two lists, the first of

which will be referred to as the wider WAHERB list, covered the Reserve plus an

arbitrary buffer chosen so as to limit the inclusion of habitats that are not

characteristic of the Reserve such as the large salt lakes and the Mt Gibson range. It

comprised about 570 vascular plant taxa and 60 non-vascular plants and fungi. The

buffer was included so as to improve the prospect of obtaining a species list that was

reasonably indicative of the flora of the Reserve. The second list, the Reserve list,

used coordinates closely approximating the Reserve boundaries (i.e. excluding the

buffer), and comprised about 350 vascular plant taxa. This list indicates what species

have actually been collected from the Reserve, and as expected it was significantly

less complete than the wider list, given that the Reserve has not been thoroughly

surveyed for flora. There are other less complete lists in existence, one important one

having been supplied by ABRS from Federal Government databases, and that one has

been reconciled with the Reserve list here.

Most regions of the Reserve were visited, including as many as possible of the known

vegetation types and soil and geological substrates. The vegetation is varied and

complex in distribution. Very few species were in flower, but selected collections

were made when flowers were encountered, when fruiting collections seemed likely

to be useful, when the identity of plants needed to be checked for this or other science

projects, or when new records were suspected.

The work was assisted by Earthwatch volunteers and staff and I was also

accompanied most of the time by Dr Matt Appleby, Bush Heritage plant ecologist,

who was seeing the Reserve for the first time and who discussed species, plant

communities and ecological and management issues. Dr Peter Lang from the TERN

team also joined the team when possible, which allowed us to share our knowledge of

the flora from our respective state perspectives.

Identifying the collections and vouchering

Plant identification was based on my existing knowledge supplemented by advice

from other botanists, specialists in the taxonomy of particular groups (see

acknowledgements), available keys in floras and revisions, online resources especially

the Western Australian Herbarium’s FloraBase Web resource and the AVH

(Australia’s Virtual Herbarium), and WA Herbarium collections. The sterile state of

many collections has made the process more difficult than usual.

Most collections were retained for lodgement in the Western Australian Herbarium as

vouchers verifying the records, but very poor specimens were not kept. The vouchers

are readily retrieved from the WAHERB database by querying for “CDR” in the

voucher field. The records are accessible to AVH queries and contribute to the AVH

maps.

Figure 1. Eremophila latrobei subsp. latrobei, flowering during the biological survey of the Charles

Darwin Reserve. (Photo T.D. Macfarlane).

7

Results

The species list

A full list of the vascular plants of the Charles Darwin Reserve (CDR) based on

known specimen records is presented in Appendix 1. The list contains 372 taxa,

including species, subspecies, and varieties, with care taken to avoid double counting

of taxa at species and infraspecies level. For this report the list is simply presented

alphabetically by genus.

The flora list was rather strictly limited to the area within the boundaries of the

Reserve in keeping with the objectives. One consequence is that an idea of the

collecting intensity can be gained. A comparison of the 372 taxa of this list with the

c. 570 taxa of the wider Waherb list prepared at the outset suggests that many species

that could be expected to occur in the vegetation types on the CDR have not yet been

collected there. There may also be some effect of the buffer area possibly including

habitats not present on the Reserve, but the buffers were selected to reduce this.

Figure 1 shows the distribution of collections prior to the survey.

Because of the strict limitation of the list to the CDR the new taxon records reported

here include some that could be regarded as merely minor new occurrences of taxa

that are widespread and common in the general region. However it is important that

the biodiversity actually present on the reserve be documented for reserve

management reasons, for demonstrating conservation of as many species and plant

communities as possible, and for adding to general floristic knowledge, so all records

are reported.

Map 1. Distribution of collections for the Charles Darwin Reserve and the buffer region (Western

Australian Herbarium collection), showing the concentration along Great Northern Highway.

Taxa newly recorded for Charles Darwin Reserve

Appendix 1 includes an indication of taxa thought to be newly recorded for the

Reserve as a result of the collections made during this May 2009 survey by the plant

research team led by me, and by other scientists whose collections I undertook to

identify. The latter are not individually indicated, but the information is on record.

The new records are for convenience presented separately in Table 1.

Taxon

Comment

Acacia acuminata

Widespread, a local collecting gap,

occurring as a narrow phyllode

variant

Acacia assimilis var. assimilis

Widespread, local collecting gap

Acacia aulacophylla

Widespread, poorly collected in the

region

Acacia exocarpoides

Widespread, at southwesterly edge

of distribution

Acacia kalgoorliensis

Widespread but very scattered

Acacia umbraculiformis

Widespread, local collecting gap

Arthropodium dyeri

Widespread, local collecting gap

Atriplex vesicaria

Widespread, local collecting gap

Baeckea sp. Bencubbin-Koorda (M.E.

Trudgen 5421)

A considerable northward extension

Bossiaea walkeri

Widespread but relatively under-

collected

Chamaexeros fimbriata

Widespread but regional collecting

gap

Chamaexeros macranthera

Previously recorded from buffer

area. Limited distribution in CDR

Comesperma volubile

Widespread but regional collecting

gap

Cryptandra imbricata

Moderately widespread, poorly

collected in the region

Cryptandra micrantha

Moderately widespread,

inadequately collected

Enekbatus sessilis ms

Moderately widespread, an easterly

extension

Eremophila latrobei subsp. latrobei

Widespread, flowering irregularly, in

flower during survey

Eucalyptus leptophylla

Widespread, poorly collected in

region

Grevillea nematophylla

Widespread, local collecting gap, an

arid zone species at its western limit

Hakea francisiana

Widespread, local collecting gap

Kunzea pulchella

Widespread but specific habitat

(granite rocks)

Lepidosperma sp. Blue Hills (A. Markey & S.

Recently recognised taxon, range

Dillon 3468)

poorly known.

Melaleuca longistaminea subsp. longistaminea Relatively widespread, an eastward

extension

Mirbelia ramulosa

Widespread, minor local collecting

gap

Patersonia drummondii

Widespread, local collecting gap, a

significantly variable taxon

Philotheca brucei subsp. brucei

Widespread and common, local

collecting gap

Psammomoya choretroides

Widespread, local collecting gap

Senna artemisioides subsp. petiolaris

Very scattered distribution, regional

collecting gap

Tecticornia aff. halocnemoides

Part of a widespread species

complex, poorly known so range

uncertain. Identification with a

phrase name is premature.

Wurmbea__sp._White_Wells'>Wurmbea sp. White Wells (T.D. Macfarlane

et al. TDM 4345)

Discovered for the first time in the

CDR in 2008, also occurs outside the

CDR

Xerolirion divaricata

Previously known from reserve but

apparently not collected, specific to

breakaways

Table 1. Taxa newly recorded from the Charles Darwin Reserve based on the

collections of the survey.

10

A selection of species newly recorded or collected from the Reserve (photos by

T.D. Macfarlane)

Figure 2. Patersonia drummondii, newly

recorded for the Charles Darwin Reserve.

Figure 3. Chamaexeros macranthera, northern

edge of the Charles Darwin Reserve, with old

capsules (fruits), the plants forming large long-

lived tufts.

Figure 4. Chamaexeros fimbriata, central

Charles Darwin Reserve in woodland, flowering

June 2008.

Figure 5. Xerolirion divaricata, growing on a

harsh breakaway site, central Charles Darwin

Reserve. This is the only population known in

the Reserve.

Figure 6. Cryptandra micrantha, in post-fire

sandplain, southern Charles Darwin Reserve.

Figure 7. Enekbatus sessilis ms, with distinctive

red foliage probably resulting from drought stress.

In post-fire sandplain, southern Charles Darwin

Reserve.

Species excluded from the Reserve list

There are a few species that have appeared in database extracts or other lists which the

checking carried out for this project suggests do not occur in the CDR, as listed in

Table 2. The reason for the erroneous records is probably usually incorrect

identification of specimens or inaccurate geographic coordinates on the specimen or

in the database (e.g. Melaleuca filifolia), and both of these types of errors are

indicated by records that seem far out of range. Genuine outliers can occur but in

these cases it is considered unlikely. Rulingia kempeana is not listed in the table even

though there are no WA records from the region, because the available records of the

species are widely scattered and it could occur there. The Jacksonia case probably

originated by a confusion of names between the western Australian J. rhadinoclada

and the eastern Australian J. rhadinoclona via synonymy with J. stackhousei or

(correctly) stackhousii.

Eucalyptus

foecunda

Hibbertia

recurvifolia

Melaleuca

adnata

Melaleuca

filifolia

Rulingia

loxophylla

Jacksonia

stackhousei

Table 2. Species previously listed for the CDR or surrounding area which do not

occur there.

Un-named taxa

Taxa occurring on the Reserve or within the adjacent buffer region which are putative

un-named taxa are listed in Table 3. In general these require research to determine

their taxonomic status. Often such taxa are inadequately collected, in the sense of

insufficient knowledge of their geographic range and how they approach their closest

relatives, insufficient material to determine their variation, or the available material

lacking relevant stages such as flowers. The prospect of the formal description and

naming of these taxa being able to be accelerated varies. It is likely that not all of

these putative taxa will ultimately be described as new, because they may turn out to

have an existing name, or because they prove not to be different or different enough to

warrant recognition and naming.

There are also 20 specimens in PERTH not named to species, which may yield further

un-named taxa when checked.

None of the putatively un-named taxa are thought to be endemic to the Reserve.

Acacia sp. Goodlands (B.R. Maslin 7761)

Acacia sp. Kalannie (B.R. Maslin 7706)

Acacia sp. narrow phyllode (B.R. Maslin 7831)

Baeckea sp. Perenjori (J.W. Green 1516)

Bossiaea sp. Jackson Range (G. Cockerton & S. McNee LCS 13614)

Calandrinia sp. Bungalbin (G.J. Keighery & N. Gibson 1656)

Calandrinia sp. ridged papillate (M. Hislop & E. Hudson MH161)

Calandrinia sp. Truncate capsules (A. Markey & S. Dillon 3474)

Calytrix sp. Paynes Find (F. & J. Hort 1188)

Hemigenia sp. Yuna (A.C. Burns 95)

Lepidosperma sp. Wolga Rock (S.D. Hopper 6513)

Leucopogon sp. Clyde Hill (M.A. Burgman 1207)

Microcorys sp. Mt Gibson (S. Patrick 2098)

Micromyrtus sp. Warriedar (S. Patrick 1879A)

Senna sp. Austin (A. Strid 20210)

Sida sp. Dark green fruits (S. van Leeuwen 2260)

Tecticornia sp. Dennys Crossing (K.A. Shepherd & J. English KS 552)

Wurmbea sp. Paynes Find (C.J. French 1237)

Wurmbea sp. White Wells (T.D. Macfarlane et al. TDM 4345)

Wurmbea sp. Wanarra (T.D. Macfarlane et al. TDM 4348)

Baeckea benthamii Trudgen ms

Baeckea megaflora Trudgen ms

Chamelaucium pauciflorum subsp. thryptomenioides (D.A.Herb.) N.G.Marchant &

Keighery ms

Table 3. Putatively un-named or unformalised taxa in or adjacent to the Charles

Darwin Reserve.

New species to be described

Three of the un-named taxa belong to one of my specialist research groups, the genus

Wurmbea (Colchicaceae), often known by the common name Nancy. Two of these

occur on the Reserve and the third occurs on the neighbouring pastoral property and is

very likely to grow around granite on the Reserve as well but has not been searched

for as yet. All of these species have been recognised as new in the past two years, and

two of them were seen for the first time in 2008, on or adjacent to the CDR. This

association with the Reserve makes it appropriate for me and my colleagues to

undertake the formal description of them in association with this survey project, even

though they were not collected during the survey itself because the survey was too

early in the year. However an already named congener, W. densiflora, with which W.

sp. Paynes Find has long been confused, was collected during the survey. At the time

I considered it to be a new record but subsequently noted it in the ABRS list,

apparently based on a herbarium record not seen by me. These Wurmbea species

represent a good example of taxa which are being discovered through fieldwork

carried out at appropriate times and in good seasons, and since many of the new

discoveries are in pastoral areas, they will be conserved on reserves such as the CDR.

These new species are currently in preparation for publication (Macfarlane, Brown &

French, in prep.).

Wurmbea sp. Paynes Find (C.J. French 1237)

Wurmbea sp. White Wells (T.D. Macfarlane et al. TDM 4345)

Wurmbea sp. Wanarra (T.D. Macfarlane et al. TDM 4348)

Table 4. New species to be described in association with the CDR survey project.

Wurmbea sp. Paynes Find

Formal phrase name: Wurmbea sp. Paynes Find (C.J. French 1237)

This recently recognised species has been long confused with W. densiflora. It is quite

widespread, and is known from Charles Darwin Reserve (e.g. the collection M.G.

Corrick 11608, PERTH). It is a tall plant with 2-8 pink flowers in a relatively loose

inflorescence, the petals spreading widely so that the flower is more or less flat, the

nectaries are concealed, and the anthers are yellow. It flowers in Spring, August to

September.

Figure 8. Wurmbea sp. Paynes Find (C.J. French 1237), plant (photo A.P. Brown) and map.

14

Wurmbea sp. White Wells

Formal phrase name: Wurmbea sp. White Wells (T.D. Macfarlane et al. TDM 4345)

This recently discovered species was first recognised as a distinct species at the

Charles Darwin Reserve, and has subsequently been found elsewhere, and may also

have been collected in earlier years. It is closely related to W. inframediana, which

grows further north. It is a small plant about 10 cm tall, with 1-5 pink or almost white

flowers in a relatively compact inflorescence, the petals bearing nectaries that are

straight, and the anthers are dark red. It flowers in Winter, June to July.

Figure 9. Wurmbea sp. White Wells, plant (photo T.D. Macfarlane) and map.

Wurmbea sp. Wanarra

Formal phrase name: Wurmbea sp. Wanarra (T.D. Macfarlane et al. TDM 4348)

Discovered for the first time in 2008 and still only known from two locations close

together just east of Charles Darwin reserve, this species is expected to also occur on

the Reserve around granitic outcrops. The plants are small, 2-5 cm tall, with usually

separate male and female plants. The flowers are white to pink-tinged, the petals each

bearing two small marginal nectaries the same colour as the rest of the petal. It

flowers in Winter, June to July.

Figure 10. Wurmbea sp. Wanarra, female plant (photo T.D. Macfarlane) and map.

Acknowledgements

Department of Environment and Conservation (DEC) Science Division, and in

particular Dr Kelly Shepherd and Dr Kevin Thiele, for arranging my participation in

this pilot project. The following organisations and individuals provided project

development, logistical, financial and field support and information concerning the

Reserve: Australian Biological Resources Study, Earthwatch Australia staff, and the

volunteers themselves for willing participation, Bush Heritage Australia staff and

reserve managers, Chris Darwin, Dr Matt Appleby, and Dr Peter Lang of DEH South

Australia. I thank the other scientists for an excellent cooperative field experience.

Botanical colleagues who provided plants identifications, particularly in their

specialist groups: Russell Barrett (Lepidosperma), Andrew Brown (Eremophila), Ray

Cranfield (various), Mike Hislop (various), Bruce Maslin (Acacia), Barbara Rye

(Baeckea group of Myrtaceae), Kelly Shepherd (samphires). The database and

curation staff of the W.A. Herbarium are thanked for efficiently processing the

collections.

References

Nicholson, C. (2007). Charles Darwin Reserve, Social History.

http://www.bushheritage.org.au/cdr_history/social/homestead.html

Payne, A.L., Van Vreeswyk, A.M.E., Pringle, H.J.R., Leighton, K.A. and Hennig, P.

(1998). An inventory and condition survey of the Sandstone-Yalgoo-Paynes Find

area, Western Australia. Agriculture Western Australia, Technical Bulletin No. 90.

16

Appendix 1. List of vascular plants known to occur on the Charles Darwin

Reserve (as at August 2009).

Number of taxa: 372 (including subspecies and varieties but without double counting

at species and infraspecific levels). Listed alphabetically by genus.

Sources:

1. WAHERB, specimen database of the Western Australian Herbarium, within the

boundaries of the Reserve.

2. + indicates additions from the survey collections (31 taxa):

Macfarlane collection, May 2009 (plus a July 2008 visit)

Symonds collection, May 2009

Lang collection, May 2009

3. (+) indicates additions sourced from an ABRS list within the boundaries of the

Reserve (10 taxa). Some of these records may be vouchered at Herbaria other than

PERTH. These additions are consistent with the range of the species. A few other

records were not accepted as being probably erroneous.

4. * indicates a naturalised non-native taxon.

Acacia acanthoclada subsp. glaucescens

Acacia acuaria

Acacia acuminata

Acacia andrewsii

Acacia aneura

Acacia anthochaera

Acacia assimilis subsp. assimilis

Acacia aulacophylla +

Acacia burkittii

Acacia cerastes

Acacia colletioides

Acacia coolgardiensis

Acacia duriuscula

Acacia effusifolia

Acacia erinacea

Acacia exocarpoides +

Acacia formidabilis

Acacia inceana subsp. conformis

Acacia jennerae

Acacia jibberdingensis

Acacia kalgoorliensis

Acacia kochii

Acacia latior

Acacia lineolata subsp. lineolata

Acacia longiphyllodinea

Acacia longispinea

Acacia murrayana

Acacia obtecta

Acacia prainii

Acacia ramulosa var. ramulosa

Acacia resinimarginea

Acacia restiacea

Acacia sericocarpa

Acacia sibina

Acacia sp. Goodlands (B.R. Maslin 7761)

Acacia sp. Kalannie (B.R. Maslin 7519)

Acacia sp. narrow phyllode (B.R. Maslin 7831)

Acacia steedmanii subsp. steedmanii

Acacia stereophylla var. stereophylla

Acacia tetragonophylla

Acacia tysonii

Acacia umbraculiformis

Acacia yorkrakinensis subsp. acrita

Actinobole uliginosum

Actinotus humilis

Allocasuarina acutivalvis subsp. prinsepiana

Allocasuarina campestris

Allocasuarina dielsiana

Allocasuarina tessellata

Aluta aspera subsp. hesperia (Thryptomene aspera subsp. Paynes Find (C.A. Gardner

11996))

Alyogyne hakeifolia

Alyogyne pinoniana

Alyxia buxifolia

Amphipogon caricinus var. caricinus

Amyema nestor

Amyema preissii

Angianthus tomentosus

Anthotroche pannosa

Aristida contorta

Arthropodium dyeri +

Astroloma serratifolium

Atriplex bunburyana

Atriplex stipitata

Atriplex vesicaria

Austrostipa elegantissima

Austrostipa trichophylla

Baeckea benthamii

Baeckea elderiana

Baeckea sp. Bencubbin-Koorda (M.E. Trudgen 5421)

Bellida graminea

Blennospora drummondii

Borya constricta

Bossiaea sp. Jackson Range (G. Cockerton & S. McNee LCS 13614)

Bossiaea walkeri

Brachyscome pusilla

* Bromus rubens

Brunonia australis

Bursaria occidentalis

Caladenia roei

Calandrinia eremaea

Calandrinia translucens

Callitris columellaris

Calothamnus aridus

Calothamnus gilesii

Calycopeplus paucifolius

Calytrix glutinosa

Calytrix leschenaultii

Calytrix sp. Paynes Find (F. & J. Hort 1188)

Cephalipterum drummondii

Chamaexeros fimbriata

Chamaexeros macranthera +

Cheilanthes adiantoides

Cheiranthera simplicifolia

Chthonocephalus pseudevax (+)

Codonocarpus cotinifolius

Comesperma griffinii

Comesperma integerrimum

Comesperma volubile

Commersonia stowardii

Cryptandra apetala

Cryptandra imbricata

Cryptandra micrantha

Cyanicula amplexans

(+)

Cyanostegia angustifolia

Cyanostegia microphylla

Dampiera eriocephala

Dampiera incana var. fuscescens

Dampiera luteiflora

Dampiera wellsiana

Daucus glochidiatus

Dianella revoluta

Dicrastylis parvifolia

Dicrastylis soliparma

Dodonaea adenophora

Dodonaea inaequifolia

Dodonaea viscosa subsp. angustissima

Drosera macrantha subsp. macrantha

Duboisia hopwoodii

Ecdeiocolea monostachya

Enchylaena lanata

Enekbatus sessilis ms +

Enekbatus stowardii ms (Baeckea stowardii)

Eremophila clarkei

Eremophila decipiens subsp. decipiens

Eremophila eriocalyx

Eremophila forrestii subsp. forrestii

Eremophila glabra subsp. elegans

Eremophila glutinosa

Eremophila latrobei subsp. latrobei +

Eremophila miniata

Eremophila oldfieldii subsp. angustifolia

Eremophila oldfieldii subsp. oldfieldii

Eremophila oppositifolia subsp. angustifolia

Eremophila serrulata

Eremophila shonae subsp. shonae

Eriachne ovata

Eriachne pulchella

Erodium cygnorum

Erymophyllum glossanthus

Erymophyllum ramosum subsp. involucratum

Erymophyllum tenellum

Eucalyptus brachycorys

Eucalyptus celastroides subsp. virella

Eucalyptus clelandii

Eucalyptus erythronema var. marginata

Eucalyptus ewartiana

Eucalyptus horistes

Eucalyptus kochii subsp. amaryssia

Eucalyptus kochii subsp. plenissima

Eucalyptus leptophylla

Eucalyptus leptopoda subsp. arctata

Eucalyptus loxophleba subsp. supralaevis

Eucalyptus moderata

Eucalyptus petraea

Eucalyptus salmonophloia

Eucalyptus salubris

Eucalyptus stowardii

Eucalyptus subangusta subsp. pusilla

Eucalyptus subangusta subsp. subangusta

Euryomyrtus recurva

Exocarpos aphyllus

Frankenia laxiflora

Gahnia drummondii

Gastrolobium laytonii

Gilberta tenuifolia

Gilruthia osbornei

Glischrocaryon angustifolium

Glischrocaryon flavescens

Gnephosis tenuissima

Gonocarpus confertifolius var. confertifolius

Gonocarpus confertifolius var. helmsii

Goodenia berardiana

Goodenia perryi

Goodenia pinifolia

Grevillea biformis subsp. biformis

Grevillea extorris

Grevillea hakeoides subsp. stenophylla

Grevillea juncifolia subsp. temulenta

Grevillea levis

Grevillea nematophylla

Grevillea obliquistigma subsp. cullenii

Grevillea obliquistigma subsp. obliquistigma

Grevillea paradoxa

Grevillea pityophylla

Grevillea pterosperma

Grevillea subtiliflora

Grevillea teretifolia (+)

Grevillea yorkrakinensis

Gypsophila tubulosa

Gyrostemon racemiger

Hakea francisiana

Hakea invaginata

Hakea minyma

Hakea recurva subsp. arida (+)

Hakea recurva subsp. recurva

Halgania cyanea var. Allambi Stn (B.W. Strong 676)

Halgania gustafsenii var. Mid West (G. Perry 370)

Halgania integerrima

Hannafordia bissillii subsp. latifolia

Hemigenia botryphylla

Hemigenia ciliata

Hemigenia sp. Yuna (A.C. Burns 95)

Hemigenia tomentosa

Hibbertia arcuata

Hibbertia glomerosa var. glomerosa

Hibbertia stenophylla

Homalocalyx aureus

Homalocalyx thryptomenoides

Hyalosperma glutinosum subsp. glutinosum

Hyalosperma glutinosum subsp. venustum

Hyalosperma zacchaeus

Hybanthus floribundus subsp. floribundus

Indigofera occidentalis

Isotoma hypocrateriformis

Jacksonia rhadinoclada

Keraudrenia integrifolia

Keraudrenia velutina subsp. velutina

Kunzea pulchella

Lachnostachys verbascifolia var. verbascifolia

Lechenaultia macrantha

Lepidosperma costale

Lepidosperma sp. Blue Hills (A. Markey & S. Dillon 3468)

Lepidosperma sp. Wolga Rock (S.D. Hopper 6513)

Leptosema aphyllum

Leptosema daviesioides

Leucopogon sp. Clyde Hill (M.A. Burgman 1207)

Levenhookia leptantha

Levenhookia stipitata

Lobelia rarifolia

Lobelia winfridae

Lomandra effusa

Lysiana murrayi

Maireana brevifolia

Maireana diffusa

Maireana georgei

Maireana planifolia

Maireana thesioides

Maireana trichoptera

Malleostemon roseus

Malleostemon tuberculatus

Marsilea drummondii

Melaleuca atroviridis

Melaleuca calyptroides

Melaleuca conothamnoides

Melaleuca cordata

Melaleuca eleuterostachya

Melaleuca fabri

Melaleuca fulgens

Melaleuca hamata

Melaleuca hamulosa

Melaleuca lateriflora subsp. acutifolia

Melaleuca leiocarpa

Melaleuca longistaminea subsp. longistaminea

Melaleuca nematophylla

Melaleuca radula

Melaleuca stereophloia

Melaleuca vinnula

Microcorys sp. Mt Gibson (S. Patrick 2098)

Micromyrtus acuta

Micromyrtus clavata

Micromyrtus racemosa var. racemosa

Mirbelia bursarioides

Mirbelia longifolia (+)

Mirbelia microphylla

Mirbelia ramulosa +

Mirbelia rhagodioides

Monachather paradoxus

Monotaxis bracteata

Muehlenbeckia adpressa

Myriocephalus pygmaeus

Nicotiana rotundifolia

Olearia dampieri

Olearia humilis

Olearia muelleri

Olearia pimeleoides

Opercularia vaginata

Patersonia drummondii

Persoonia manotricha

Persoonia pentasticha

Petalostylis cassioides

Phebalium canaliculatum

Phebalium megaphyllum

Phebalium tuberculosum

Philotheca brucei subsp. brucei

Philotheca deserti subsp. deserti

Philotheca glabra

Philotheca nutans

Philotheca sericea

Philotheca thryptomenoides

Philotheca tomentella

Phlegmatospermum drummondii

Pimelea aeruginosa

Pimelea angustifolia

Pimelea forrestiana

Pityrodia terminalis

Podolepis capillaris

Podolepis lessonii

Pogonolepis stricta (+)

Prasophyllum gracile

Prostanthera eckersleyana

Prostanthera patens

Psammomoya choretroides +

Ptilotus drummondii

Ptilotus eriotrichus

Ptilotus exaltatus

Ptilotus gaudichaudii var. gaudichaudii

Ptilotus gaudichaudii var. parviflorus

Ptilotus holosericeus

Ptilotus obovatus

Ptilotus polystachyus var. polystachyus

Rhagodia drummondii

Rhagodia eremaea

Rhodanthe chlorocephala subsp. rosea

Rhodanthe chlorocephala subsp. splendida

Rhodanthe pygmaea

Rhodanthe spicata

Ricinocarpos velutinus

Rulingia kempeana (+)

Rulingia luteiflora

Santalum acuminatum

Santalum spicatum

Scaevola hamiltonii

Scaevola restiacea subsp. restiacea

Scaevola spinescens

Schoenia cassiniana

Schoenus subaphyllus

Sclerolaena drummondii

Sclerolaena gardneri

Senna artemisioides subsp. filifolia

Senna artemisioides subsp. petiolaris +

Senna flexuosa

Senna glutinosa subsp. chatelainiana

Senna pleurocarpa

Senna sp. Austin (A. Strid 20210)

Senna stowardii

Sida sp. dark green fruits (S. van Leeuwen 2260)

Solanum coactiliferum

Solanum lasiophyllum

Solanum nummularium

Solanum oldfieldii

Stackhousia monogyna

Stenanthemum poicilum

Stenopetalum filifolium

Stylidium limbatum

Stylidium yilgarnense

Tecticornia disarticulata

Tecticornia aff. halocnemoides

Tetragonia moorei (+)

Thelymitra petrophila

(+)

Thomasia tremandroides

Thryptomene costata

Thryptomene cuspidata

Thysanotus patersonii

Thysanotus rectantherus

Trachymene cyanopetala

Tricoryne elatior

Tripogon loliiformis

Velleia discophora

Velleia rosea

Verticordia eriocephala

Verticordia interioris

Verticordia rennieana

Waitzia acuminata var. acuminata

Westringia cephalantha

Wrixonia prostantheroides

Wurmbea densiflora (+)

Wurmbea sp. Paynes Find (C.J. French 1237)

Wurmbea sp. White Wells (T.D. Macfarlane et al. TDM 4345)

Xerolirion divaricata +

Zygophyllum angustifolium

Zygophyllum eremaeum

Zygophyllum fruticulosum

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